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This file is part 24 of the GNU version of
The Collaborative International Dictionary of English
Also referred to as GCIDE
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This dictionary was derived from the
Webster's Revised Unabridged Dictionary
Version published 1913
by the C. & G. Merriam Co.
Springfield, Mass.
Under the direction of
Noah Porter, D.D., LL.D.
and from
WordNet(R), a semantic network created by
the Cognitive Science Department
of Princeton University
under the direction of
Prof. George Miller
and is being updated and supplemented by
an open coalition of volunteer collaborators from
around the world.
This electronic dictionary is the starting point for an
ongoing project to develop a modern on-line comprehensive encyclopedic
dictionary, by the efforts of all individuals willing to help build a
large and freely available knowledge base. Contributions of data,
time, and effort are requested from any person willing to assist creation
of a comprehensive and organized knowledge base for free access on the
internet. Anyone willing to assist in any way in constructing such a
knowledge base should contact:
Patrick Cassidy cassidy@micra.com
735 Belvidere Ave. Office: (908)668-5252
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(908) 561-3416
Last edit September 18, 2002.
-->
X.
X X (. X, the twenty-fourth letter of the English alphabet, has three sounds; a compound nonvocal sound (that of ks), as in wax; a compound vocal sound (that of gz), as in example; and, at the beginning of a word, a simple vocal sound (that of z), as in xanthic. See Guide to Pronunciation, 1913 Webster]
The form and value of X are from the Latin X, which is from the Greek ks, though in the one now in common use it represents an aspirated sound of k. 1913 Webster]
Xanthamide Xanth*am"ide (?), n.[Xanthic + amide.](Chem.)An amido derivative of xanthic acid obtained as a white crystalline substance, C2H5O.CS.NH2; -- called also xanthogen amide. 1913 Webster]
Xanthate Xan"thate (?), n.[See Xanthic.](Chem.)A salt of xanthic; a xanthogenate. 1913 Webster]
Xanthelasma Xan`the*las"ma (?), n.[NL.; Gr. xanqo`s yellow + 'e`lasma a metal plate.](Med.)See Xanthoma. 1913 Webster]
Xanthian Xan"thi*an (?), a.Of or pertaining to Xanthus, an ancient town on Asia Minor; -- applied especially to certain marbles found near that place, and now in the British Museum. 1913 Webster]
1.Tending toward a yellow color, or to one of those colors, green being excepted, in which yellow is a constituent, as scarlet, orange, etc. 1913 Webster]
2.(Chem.)(a)Possessing, imparting, or producing a yellow color; as, xanthic acid.(b)Of or pertaining to xanthic acid, or its compounds; xanthogenic.(c)Of or pertaining to xanthin. 1913 Webster]
Xanthic acid(Chem.), a heavy, astringent, colorless oil, C2H5O.CS.SH, having a pungent odor. It is produced by leading carbon disulphide into a hot alcoholic solution of potassium hydroxide. So called from the yellow color of many of its salts. Called also xanthogenic acid. --
Xanthic colors(Bot.), those colors (of flowers) having some tinge of yellow; -- opposed to cyanic colors. See under Cyanic. 1913 Webster]
Xanthide Xan"thide (?), n.[See Xantho-.](Chem.)A compound or derivative of xanthogen. [Archaic] 1913 Webster]
Xanthidium Xan*thid"i*um (?), n.; pl.Xanthidia(?).[NL., fr. Gr. xanqo`s yellow.](Bot.)A genus of minute unicellular algae of the desmids. These algae have a rounded shape and are armed with glochidiate or branched aculei. Several species occur in ditches, and others are found fossil in flint or hornstone. 1913 Webster]
Xanthin Xan"thin (?), n.[Gr. xanqo`s yellow.]1.same as xanthine. 1913 Webster]
2.(Chem.)A yellow insoluble coloring matter extracted from yellow flowers; specifically, the coloring matter of madder.[Formerly written also xanthein.] 1913 Webster]
3.(Chem.)One of the gaseous or volatile decomposition products of the xanthates, and probably identical with carbon disulphide. [Obs.] 1913 Webster]
Xanthin Xanthine { Xan"thine(?), n. Also Xan"thin }. [Gr. xanqo`s yellow.](Physiol. Chem.)A type of purine obtainable as a white microcrystalline powder, C5H4O2N4, present in muscle tissue, in the liver, spleen, pancreas, and other organs, and also in urine (in small quantities) and some urinary calculi, and in the juices of certain plants; -- so called because it leaves a yellow residue when evaporated to dryness with nitric acid. It is also present in guano. Xanthine is closely related to uric acid. Webster 1913 Suppl.]
Xanthinine Xan"thi*nine (?), n.[Gr. xanqo`s yellow + quinine.](Chem.)A complex nitrogenous substance related to urea and uric acid, produced as a white powder; -- so called because it forms yellow salts, and because its solution forms a blue fluorescence like quinine. 1913 Webster]
Xanthium Xan"thi*um (?), n.[NL., fr. Gr. xa`nqion a plant used for dyeing the hair yellow, said to be the Xanthium strumarium, from xanqo`s yellow.](Bot.)A genus of composite plants in which the scales of the involucre are united so as to form a kind of bur; cocklebur; clotbur. 1913 Webster]
Xantho- Xan"tho- (?). A combining form from Gr. xanqo`s yellow; as in xanthocobaltic salts. Used also adjectively in chemistry. 1913 Webster]
Xanthochroi Xan*thoch"ro*i (?), n. pl.[NL. See Xanthochroic.](Ethnol.)A division of the Caucasian races, comprising the lighter-colored members. 1913 Webster]
The Xanthochroi, or fair whites, . . . are the prevalent inhabitants of Northern Europe, and the type may be traced into North Africa, and eastward as far as Hindostan.Tylor. 1913 Webster]
Xanthochroic Xan`tho*chro"ic (?), a.[Xantho- + Gr. chro`a color.](Ethnol.)Having a yellowish or fair complexion; of or pertaining to the Xanthochroi. 1913 Webster]
Xanthochroid Xan"tho*chroid (?), a.[See under Xanthrochroic, -oid.](Ethnol.)Having a yellowish or fair complexion. -- n.A person having xanthochroid traits. Webster 1913 Suppl.]
Xanthochroism Xan*thoch"ro*ism (?), n.Abnormal coloration of feathers in which yellow replaces the normal color, as in certain parrots. It is commonly due to lack of the dark pigment which with yellow forms green. Webster 1913 Suppl.]
Xanthogen Xan"tho*gen (?), n.[Xantho- + -gen.](Chem.)(a)The hypothetical radical supposed to be characteristic of xanthic acid. [Archaic] (b)Persulphocyanogen. [R.] 1913 Webster]
Xanthogenate Xan"tho*gen*ate (?), n.(Chem.)A salt of xanthic acid. 1913 Webster]
Xanthogenic Xan`tho*gen"ic (?), a.[See Xantho-, and -gen.](Chem.)Producing a yellow color or compound; xanthic. See Xanthic acid, under Xanthic. 1913 Webster]
Xanthoma Xan*tho"ma (?), n.[NL. See Xantho-, and -oma.](Med.)A skin disease marked by the development or irregular yellowish patches upon the skin, especially upon the eyelids; -- called also xanthelasma. 1913 Webster]
Xanthomatous Xan*thom"a*tous (?), a.(Med.)Of or pertaining to xanthoma. Webster 1913 Suppl.]
Xanthomelanous Xan`tho*mel"a*nous (?), a.[Pref. xantho- + Gr. /, /, black.](Ethnol.)Of or pertaining to the lighter division of the Melanochroi, or those races having an olive or yellow complexion and black hair. Webster 1913 Suppl.]
Xanthophane Xan"tho*phane (?), n.[Xantho- + Gr. fai`nein to show.](Physiol.)The yellow pigment present in the inner segments of the retina in animals. See Chromophane. 1913 Webster]
Xanthophyll Xan"tho*phyll (?), n.[Xantho- + Gr. fy`llon leaf.](Bot.)A yellow coloring matter found in yellow autumn leaves, and also produced artificially from chlorophyll; -- formerly called also phylloxanthin. 1913 Webster]
Xanthopous Xan"tho*pous (?), a.[Xantho- + Gr. poy`s, podo`s, foot.](Bot.)Having a yellow stipe, or stem. 1913 Webster]
Xanthoproteic Xan`tho*pro*te"ic (?), a.(Physiol. Chem.)Pertaining to, or derived from, xanthoprotein; showing the characters of xanthoprotein; as, xanthoproteic acid; the xanthoproteic reaction for albumin. 1913 Webster]
Xanthoprotein Xan`tho*pro"te*in (?), n.[Xantho- + protein.](Physiol. Chem.)A yellow acid substance formed by the action of hot nitric acid on albuminous or proteid matter. It is changed to a deep orange-yellow color by the addition of ammonia. 1913 Webster]
Xanthopuccine Xan`tho*puc"cine (?), n.[Xantho- + puccoon + -ine.](Chem.)One of three alkaloids found in the root of the yellow puccoon (Hydrastis Canadensis). It is a yellow crystalline substance, and resembles berberine. 1913 Webster]
Xanthorhamnin Xan`tho*rham"nin (?), n.[Xantho- + NL. Rhamnus, the generic name of the plant bearing Persian berries.](Chem.)A glucoside extracted from Persian berries as a yellow crystalline powder, used as a dyestuff. 1913 Webster]
Xanthorhiza Xan`tho*rhi"za (?), n.[NL., fr. Gr. xanqo`s yellow + "ri`za root.](Bot.)A genus of shrubby ranunculaceous plants of North America, including only the species Xanthorhiza apiifolia, which has roots of a deep yellow color; yellowroot. The bark is intensely bitter, and is sometimes used as a tonic. 1913 Webster]
<-- p. 1671 --> 1913 Webster]
Xanthorhoea Xan`tho*rhoe"a (?), n.[NL., from Gr. xanqo`s yellow + "rei^n to flow.](Bot.)A genus of endogenous plants, native to Australia, having a thick, sometimes arborescent, stem, and long grasslike leaves. See Grass tree. 1913 Webster]
Xanthose Xan"those (?), n.(Chem.)An orange-yellow substance found in pigment spots of certain crabs. 1913 Webster]
Xanthosis Xan*tho"sis (?), n.[NL., fr. Gr. xanqo`s yellow.](Med.)The yellow discoloration often observed in cancerous tumors. 1913 Webster]
Xanthous Xan"thous (?), a.[Gr. xanqo`s yellow.]Yellow; specifically (Ethnol.), of or pertaining to those races of man which have yellowish, red, auburn, or brown hair. 1913 Webster]
Xanthoxylene Xan*thox"y*lene (?), n.[See Xanthoxylum.](Chem.)A liquid hydrocarbon of the terpene series extracted from the seeds of a Japanese prickly ash (Xanthoxylum pipertium) as an aromatic oil. 1913 Webster]
Xanthoxylum Xan*thox"y*lum (?), n.[NL., from Gr. xanqo`s yellow + xy`lon wood.](Bot.)A genus of prickly shrubs or small trees, the bark and rots of which are of a deep yellow color; prickly ash. 1913 Webster]
Xanthoxylum Americanum. See Prickly ash, under Prickly. 1913 Webster]
Xe Xe (?), n.The chemical symbol for the chemical element xenon, having atomic number 54; it is one of the six noble gases. Syn. -- xenon. WordNet 1.5]
Xebec Xe"bec (z, n.[Sp. jabegue, formerly spelt xabeque, or Pg. xabeco; both from Turk. sumbeki a kind of Asiatic ship; cf. Per. sumbuk, Ar. sumb a small ship.](Naut.)A small three-masted vessel, with projecting bow and stern and convex decks, used in the Mediterranean for transporting merchandise, etc. It carries large square sails, or lateen sails, or both. Xebecs were formerly armed and used by corsairs. 1913 Webster]
Xenarthra Xen*ar"thra prop. n.The suborder of mammals including the armadillos, American anteaters, and sloths. Syn. -- suborder Xenarthra. WordNet 1.5]
Xenelasia Xen`e*la"si*a (?), n.[NL., from Gr. xenhlasi`a expulsion of strangers.](Gr. Antiq.)A Spartan institution which prohibited strangers from residing in Sparta without permission, its object probably being to preserve the national simplicity of manners. 1913 Webster]
Xenicidae Xe*ni"ci*dae (?), pr. n.A natural family of birds comprising the New Zealand wrens, synonymous with Acanthisittidae. Syn. -- family Xenicidae, Acanthisittidae, family Acanthisittidae. WordNet 1.5]
Xenicus Xe"ni*cus (?), pr. n.The type genus for the bird family Xenicidae. Syn. -- genus Xenicus. WordNet 1.5]
Xenium Xe"ni*um (z, n.; pl.Xenia(z.[L., from Gr. xe`nion gift to a guest, fr. xe`nos guest.](Class. Antiq.)A present given to a guest or stranger, or to a foreign ambassador. 1913 Webster]
Xenodochium Xen`o*do*chi"um (z, n.[LL., fr. L. xenodochium a building for the reception of strangers, Gr. xenodochei^on .](a)(Class. Antiq.)A house for the reception of strangers.(b)In the Middle Ages, a room in a monastery for the reception and entertainment of strangers and pilgrims, and for the relief of paupers. [Called also Xenodocheion.] 1913 Webster]
Xenon Xen"on (z, n.[Gr. xe`non, neut. of xe`nos strange.](Chem.)A very heavy, inert gaseous element of the noble gas group, occurring in the atmosphere in the proportion of one volume is about 20 millions. It was discovered by Ramsay and Travers in 1898. It can be condensed to a liquid boiling at -107Xe (formerly also X); atomic number 54; atomic weight 131.3. Webster 1913 Suppl. ]
Xenogenesis Xen`o*gen"e*sis (?), n.[Gr. xe`nos a stranger + E. genesis.](Biol.)(a)Same as Heterogenesis.(b)The fancied production of an organism of one kind by an organism of another.Huxley. 1913 Webster]
Xenogenetic Xen`o*ge*net"ic (?), a.(Biol.)Of or pertaining to xenogenesis; as, the xenogenetic origin of microzymes.Huxley. 1913 Webster]
Xenomania Xen`o*ma"ni*a (?), n.[Gr. xe`nos strange + E. mania.]A mania for, or an inordinate attachment to, foreign customs, institutions, manners, fashions, etc. [R.] Saintsbury. 1913 Webster]
Xenomi Xen"o*mi (?), prop. n. pl.[NL., from Gr. xe`nos strange.](Zool.)A suborder of soft-rayed fresh-water fishes of which the blackfish of Alaska (Dallia pectoralis) is the type. 1913 Webster]
Xenopterygii Xe*nop`te*ryg"i*i (?), prop. n. pl.[NL., from Gr. xe`nos strange + /, dim. of / a wing.](Zool.)A suborder of fishes including Gobiesox and allied genera. These fishes have soft-rayed fins, and a ventral sucker supported in front by the pectoral fins. They are destitute of scales. 1913 Webster]
Xenotime Xen"o*time (?), n.[Gr. xeno`timos honoring guests or strangers; xe`nos guest, stranger + timh` honor: cf. G. xenotim.](Min.)A native phosphate of yttrium occurring in yellowish-brown tetragonal crystals. 1913 Webster]
Xenylic Xe*nyl"ic (?), a.(Chem.)Pertaining to, derived from, designating, certain amido compounds obtained by reducing certain nitro derivatives of diphenyl. 1913 Webster]
Xeraphim Xer"a*phim (?), n.[Pg. xarafin, xerafin, fr. Ar. ashraf noble, the name of a gold coin.]An old money of account in Bombay, equal to three fifths of a rupee. 1913 Webster]
Xeres Xer"es (?), n.Sherry. See Sherry. 1913 Webster]
Xerif Xer"if (z, n.A shereef. 1913 Webster]
Xeriff Xer"iff (z, n.[See Shereef.]A gold coin formerly current in Egypt and Turkey, of the value of about 9s. 6d., or about $2.30 (ca. 1900); -- also, in Morocco, a ducat. 1913 Webster]
Xeroderma Xe`ro*der"ma (?), n.[NL., fr. Gr. xhro`s dry + de`rma skin.](Med.)(a)Ichthyosis.(b)A skin disease characterized by the presence of numerous small pigmented spots resembling freckles, with which are subsequently mingled spots of atrophied skin. 1913 Webster]
Xeronate Xe"ro*nate (?), n.(Chem.)A salt of xeronic acid. 1913 Webster]
Xeronic Xe*ron"ic (?), a.[Gr. xhro`s dry + citraconic.](Chem.)Pertaining to, or designating, an acid, C8H12O4, related to fumaric acid, and obtained from citraconic acid as an oily substance having a bittersweet taste; -- so called from its tendency to form its anhydride. 1913 Webster]
Xerophagy Xe*roph"a*gy (?), n.[L. xerophagia, Gr. /; xhro`s dry + / to eat.]Among the primitive Christians, the living on a diet of dry food in Lent and on other fasts. 1913 Webster]
Xerophilous Xe*roph"i*lous (?), a.[Gr. xhro`s dry + / to love.](Bot.)Drought-loving; able withstand the absence or lack of moisture. 1913 Webster]
Plants which are peculiarly adapted to dry climates are termed by De Candollexerophilous.Goodale. 1913 Webster]
Xerophthalmia Xe`roph*thal"mi*a (?), n.[L., fr. Gr. /; xhro`s dry + / the eye. See Ophthalmia.](Med.)An abnormal dryness of the eyeball produced usually by long-continued inflammation and subsequent atrophy of the conjunctiva. 1913 Webster]
Xerophyllum Xe*ro"phyl*lum (?), pr. n.A small genus of North American herbs having grasslike basal leaves: squaw grass; sometimes placed in family Melanthiaceae. Syn. -- genus Xerophyllum. WordNet 1.5]
xerophyte xe"ro*phyte (?), n.A plant adapted for life with a limited supply of water; compare hydrophyte and mesophyte. Syn. -- desert plant, xerophytic plant, xerophile, xerophilous plant. WordNet 1.5]
xerophytic xe`ro*phy"tic (?), adj.1.(Botany)[Gr. xhro`s dry + fyto`n a plant.]Adapted to a xeric (or dry) environment; as, cacti are xerophytic plants; xerophytic adaptations. WordNet 1.5]
Xerox Xe"rox (?), n.[From a brand name of the Xerox corporation.]A copying machine which copies graphic matter by the action of light on an electrically charged photoconductive insulating surface in which the latent image is developed with a resinous powder. Syn. -- xerox, xerographic copier, xerox machine. WordNet 1.5]
2.A copy made by the xerox process. Syn. -- xerox copy. WordNet 1.5]
xerox xe"rox (?), v. t.To copy a printed document on a xerographic device. WordNet 1.5]
xi xi (?), adj.The Roman number symbolizing the value eleven. Used after a noun it may symbolize the ordinal number; as, Superbowl XI. Syn. -- eleven, 11. WordNet 1.5]
Xian Xi"an (?), pr. n.The capital of the ancient Chinese empire. Syn. -- Sian, Singan, Changan. WordNet 1.5]
xii xii (?), adj.The Roman number symbolizing the value twelve; denoting a quantity consisting of 12 items or units. Used after a noun it may symbolize the ordinal number; as, Superbowl XII. Syn. -- twelve, 12, dozen. WordNet 1.5]
xiii xiii (?), adj.1.the Roman number symbolizing the value thirteen. Used after a noun it may symbolize the ordinal number; as, Superbowl XIII. Syn. -- thirteen, 13. WordNet 1.5]
Xiphias Xiph"i*as (?), prop. n.[L., a swordfish, a sword-shaped comet, fr. Gr. xifi`as, fr. xi`fos a sword.]1.(Zool.)A genus of fishes comprising the common swordfish. 1913 Webster]
2.(Anat.)(a)The constellation Dorado.(b)A comet shaped like a sword 1913 Webster]
Xiphidium Xi*phid"i*um (?), prop. n.[NL., from Gr. /, dim. of xi`fos sword.](Bot.)A genus of plants of the order Haemodraceae, having two-ranked, sword-shaped leaves. 1913 Webster]
Xiphioid Xiph"i*oid (?), a.[Xiphius + -oid.](Zool.)Of, pertaining to, or resembling, a cetacean of the genus Xiphius or family Xiphiidae. 1913 Webster]
Xiphiplastron Xiph"i*plas"tron (?), n.; pl.Xiphiplastra(?).[NL., fr. Gr. xi`fos a sword + plastron.](Anat.)The posterior, or fourth, lateral plate in the plastron of turtles; -- called also xiphisternum. 1913 Webster]
Xiphisternum Xiph"i*ster"num (?), n.; pl.Xiphisterna(?).[NL., fr. Gr. xi`fos a sword + sternum.](Anat.)(a)The posterior segment, or extremity, of the sternum; -- sometimes called metasternum, ensiform cartilage, ensiform process, or xiphoid process.(b)The xiphiplastron. -- Xiph"i*ster"nal(?)a. 1913 Webster]
Xiphius Xiph"i*us (?), n.[NL., fr. Gr. xi`fos a sword.](Zool.)A genus of cetaceans having a long, pointed, bony beak, usually two tusklike teeth in the lower jaw, but no teeth in the upper jaw. 1913 Webster]
Xiphodon Xiph"o*don (?), n.[Gr. xi`fos a sword + 'odoy`s, 'odo`ntos, a tooth.](Paleon.)An extinct genus of artiodactylous mammals found in the European Tertiary formations. It had slender legs, didactylous feet, and small canine teeth. 1913 Webster]
Xiphoid Xiph"oid (?; 277), a.[Gr. xifoeidh`s sword-shaped; xi`fos a sword + ei`^dos form, shape: cf. F. xiphoide.](Anat.)(a)Like a sword; ensiform.(b)Of or pertaining to the xiphoid process; xiphoidian. 1913 Webster]
Xiphosura Xiph`o*su"ra (?), n. pl.See Xiphura. 1913 Webster]
Xiphura Xi*phu"ra (?), n. pl.[NL., from Gr. xi`fos sword + o'yra` tail.](Zool.)Same as Limuloidea. Called also Xiphosura. 1913 Webster]
xl xl (?), adj.1.the Roman number symbolizing the value forty. Syn. -- forty, 40, twoscore. WordNet 1.5]
Xmas X"mas (?), n.Christmas; -- an abbreviation for the Christian holiday celebrating the birth of Christ; a quarter day in England, Wales, and Ireland. Syn. -- Christmas, Christmas Day, Dec 25. WordNet 1.5]
XP XP (?). [Belongs here in appearance only.]The first two letters of the Greek word CHRISTOS, Christ; -- an abbreviation used with the letters separate or, oftener, in a monogram, often inclosed in a circle, as a symbol or emblem of Christ. It use as an emblem was introduced by Constantine the Great, whence it is known as the
Constantinian symbol, or
monogram. See Labarum. Webster 1913 Suppl.]
x-rated x"-rat`ed (, a.[from a system of ratings for movies based on objectionableness of the content or suitability for children.]having a rating of X; not suitable for children; broadly, obscene or sexually explicit. PJC]
X-ray X ray X ray, X-ray(, n.[so called by its discoverer because of its enigmatical character, x being an algebraic symbol for an unknown quantity.](Physics)Originally, any of the rays produced when cathode rays strike upon surface of a solid (as a copper target or the wall of the vacuum tube); now defined as electromagnetic radiation with a wavelength of 0.1 to 10 nanometers. X-rays are noted for their penetration of many opaque substances, as wood and flesh, their action on photographic plates, and their fluorescent effects. They were called X rays by their discoverer, W. K. R, but were also referred to for some time as Roentgen rays. The term X-ray has become the most common designation. They also ionize gases, but cannot be reflected, or polarized, or deflected by a magnetic field. They are used in examining objects opaque to visible light, as for imaging bones or other structures inside the human body, and for detecting flaws in metal objects, such as in welds. Webster 1913 Suppl. ]
X-ray X ray X ray, X-ray(, v. t.To examine by means of X-rays; to irradiate with X-rays. PJC]
X-ray astronomy X"-ray` astronomy. The branch of astronomy dealing with the study of astronomical objects which emit X-rays, and the methods used to detect such objects. PJC]
XT XT (?), n.(Electronics)An abbreviation for crosstalk, the presence of an unwanted signal via an accidental coupling. [abbrev.] Syn. -- crosstalk. WordNet 1.5]
xv xv (?), adj.The Roman number symbolizing the value fifteen. Syn. -- fifteen, 15. WordNet 1.5]
xvi xvi (?), adj.The Roman number symbolizing the value sixteen. Syn. -- sixteen, 16. WordNet 1.5]
xvii xvii (?), adj.The Roman number symbolizing the value seventeen. Syn. -- seventeen, 17. WordNet 1.5]
xviii xviii (?), adj.The Roman number symbolizing the value eighteen. Syn. -- eighteen, 18. WordNet 1.5]
xx xx (?), adj.The Roman number representing twenty; denoting a quantity consisting of 20 items or units. Syn. -- twenty, 20, score. WordNet 1.5]
xxi xxi (?), adj.The Roman number representing twenty-one. Syn. -- twenty-one, 21. WordNet 1.5]
xxii xxii (?), adj.The Roman number representing twenty-two. Syn. -- twenty-two, 22. WordNet 1.5]
xxiii xxiii (?), adj.The Roman number representing twenty-three. Syn. -- twenty-three, 23. WordNet 1.5]
xxiv xxiv (?), adj.The Roman number representing twenty-four. Syn. -- twenty-four, 24. WordNet 1.5]
xxix xxix (?), adj.The Roman number representing twenty-nine. Syn. -- twenty-nine, 29. WordNet 1.5]
xxv xxv (?), adj.The Roman number representing twenty-five. Syn. -- twenty-five, 25. WordNet 1.5]
xxvi xxvi (?), adj.The Roman number representing twenty-six. Syn. -- twenty-six, 26. WordNet 1.5]
xxvii xxvii (?), adj.The Roman number representing twenty-seven. Syn. -- twenty-seven, 27. WordNet 1.5]
xxviii xxviii (?), adj.The Roman number representing twenty-eight. Syn. -- twenty-eight, 28. WordNet 1.5]
xxx xxx (?), adj.The Roman number representing thirty; -- in the postposition, designating the thirtieth in a series. Syn. -- thirty, 30. WordNet 1.5]
xxx xxx (?), adj.[by reduplication of the "X" used in some movie-rating systems.]Very obscene or pornographic. Syn. -- X-rated, obscene, pornographic. WordNet 1.5]
Xylamide Xy*lam"ide (?), n.[Xylic + amide.](Chem.)An acid amide derivative of xylic acid, obtained as a white crystalline substance. 1913 Webster]
Xylan Xy"lan (?), n.(Chem.)A gummy substance of the pentosan class, present in woody tissue, and yielding xylose on hydrolysis; wood gum. Webster 1913 Suppl.]
Xylanthrax Xy*lan"thrax (?), n.[Gr. xy`lon wood + 'a`nqrax coal.]Wood coal, or charcoal; -- so called in distinction from mineral coal. 1913 Webster]
Xylaria Xy*la"ria (?), pr. n.The type genus of the natural family Xylariaceae; fungi with perithecia in the upper part of erect black woody stromata. Syn. -- genus Xylaria. WordNet 1.5]
Xylariaceae Xy*la'ri*a"ce*ae pr. n.A natural family of fungi characterized by dark brown to back spores. Syn. -- family Xylariaceae. WordNet 1.5]
Xylate Xy"late (?), n.(Chem.)A salt of xylic acid. 1913 Webster]
Xylem Xy"lem (?), n.[Gr. xy`lon wood.](Bot.)That portion of a fibrovascular bundle which has developed, or will develop, into wood cells; -- distinguished from phloem. 1913 Webster]
Xylene Xy"lene (?), n.[Gr. xy`lon wood.](Chem.)Any of a group of three metameric hydrocarbons of the aromatic series, found in coal and wood tar, and so named because found in crude wood spirit. They are colorless, oily, inflammable liquids, C6H4.(CH3)2, being dimethyl benzenes, and are called respectively orthoxylene, metaxylene, and paraxylene. Called also xylol. 1913 Webster]
1913 Webster]
Xylenol Xy"le*nol (?), n.[Xylene + -ol.](Chem.)Any one of six metameric phenol derivatives of xylene, obtained as crystalline substances, (CH3)2.C6H3.OH. 1913 Webster]
Xyletic Xy*let"ic (?), a.(Chem.)Pertaining to, or designating, a complex acid related to mesitylenic acid, obtained as a white crystalline substance by the action of sodium and carbon dioxide on crude xylenol. 1913 Webster]
Xylic Xy"lic (?), a.(Chem.)Pertaining to, derived from, or related to, xylene; specifically, designating any one of several metameric acids produced by the partial oxidation of mesitylene and pseudo-cumene. 1913 Webster]
Xylidic Xy*lid"ic (?), a.(Chem.)Pertaining to, or designating, either one of two distinct acids which are derived from xylic acid and related compounds, and are metameric with uvitic acid. 1913 Webster]
Xylidine Xy"li*dine (?), n.(Chem.)Any one of six metameric hydrocarbons, (CH3)2.C6H3.NH2, resembling aniline, and related to xylene. They are liquids, or easily fusible crystalline substances, of which three are derived from metaxylene, two from orthoxylene, and one from paraxylene. They are called the amido xylenes. 1913 Webster]
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Xylindein Xy*lin"de*in (?), n.(Chem.)A green or blue pigment produced by Peziza in certain kinds of decayed wood, as the beech, oak, birch, etc., and extracted as an amorphous powder resembling indigo. 1913 Webster]
Xylite Xy"lite (?), n.[Gr. xy`lon wood.](Chem.)A liquid hydrocarbon found in crude wood spirits. 1913 Webster]
Xylitone Xy"li*tone (?), n.(Chem.)A yellow oil having a geraniumlike odor, produced as a side product in making phorone; -- called also xylite oil. 1913 Webster]
Xylo- Xy"lo- (?). A combining form from Gr. xy`lon wood; as in xylogen, xylograph. 1913 Webster]
Xylobalsamum Xy`lo*bal"sa*mum (?), n.[NL., fr. Gr. xy`lon wood + ba`lsamon the balsam tree, balsam; cf. L. xylobalsamum balsam wood, Gr. xyloba`lsamon.](Med.)The dried twigs of a Syrian tree (Balsamodendron Gileadense).U. S. Disp. 1913 Webster]
Xylocarpous Xy`lo*car"pous (?), a.[Xylo- + Gr. karpo`s fruit.](Bot.)Bearing fruit which becomes hard or woody. 1913 Webster]
Xylocopa Xy*loc"o*pa (?), n.[NL., fr. Gr. / cutting wood; xy`lon wood + / to cut.](Zool.)A genus of hymenopterous insects including the carpenter. See Carpenter bee, under Carpenter. -- Xy*loc"o*pine(?), a. 1913 Webster]
Xylogen Xy"lo*gen (?), n.[Xylo- + -gen.](a)(Bot.)Nascent wood; wood cells in a forming state.(b)Lignin. 1913 Webster]
Xylograph Xy"lo*graph (?), n.[Xylo- + -graph.]An engraving on wood, or the impression from such an engraving; a print by xylography. 1913 Webster]
Xylographer Xy*log"ra*pher (?), n.One who practices xylography. 1913 Webster]
Xylographical Xylographic { Xy`lo*graph"ic(?), Xy`lo*graph"ic*al(?), } a.[Cf. F. xylographique.]Of or pertaining to xylography, or wood engraving. 1913 Webster]
2.The art of making prints from the natural grain of wood.Knight. 1913 Webster]
3.A method pf printing in colors upon wood for purposes of house decoration.Ure. 1913 Webster]
Xyloid Xy"loid (?), a.[Xylo- + -oid.]Resembling wood; having the nature of wood. 1913 Webster]
Xyloidin Xy*loid"in (?), n.[Xylo- + -oid.](Chem.)A substance resembling pyroxylin, obtained by the action of nitric acid on starch; -- called also nitramidin. 1913 Webster]
Xylol Xy"lol (?), n.[Xylo- + L. oleum oil.](Chem.)Same as Xylene. 1913 Webster]
Xylology Xy*lol"o*gy (?), n.[Pref. xylo- + -logy.]The branch of dendrology treating of the gross and minute structure of wood. Webster 1913 Suppl.]
Xylophaga Xy*loph"a*ga (?), prop. n.[NL. See Xylophagous.](Zool.)A genus of marine bivalves which bore holes in wood. They are allied to Pholas. 1913 Webster]
Xylophagan Xy*loph"a*gan (?), n.[See Xylophagous.](Zool.)(a)One of a tribe of beetles whose larvae bore or live in wood.(b)Any species of Xylophaga.(c)Any one of the Xylophagides. 1913 Webster]
Xylophagides Xy`lo*phag"i*des (?), prop. n. pl.[See Xylophagous.](Zool.)A tribe or family of dipterous flies whose larvae live in decayed wood. Some of the tropical species are very large. 1913 Webster]
Xylophagous Xy*loph"a*gous (?), a.[Gr. xylofa`gos eating wood; xy`lon wood + fagei^n to eat.](Zool.)(a)Eating, boring in, or destroying, wood; -- said especially of certain insect larvae, crustaceans, and mollusks.(b)Of or pertaining to the genus Xylophaga. 1913 Webster]
Xylophilan Xy*loph"i*lan (?), n.[See Xylophilous.](Zool.)One of a tribe of beetles (Xylophili) whose larvae live on decayed wood. 1913 Webster]
Xylophilous Xy*loph"i*lous (?), a.[Xylo- + Gr. filei^n to love.](Zool.)Of or pertaining to the xylophilans. 1913 Webster]
Xylophone Xy"lo*phone (?), n.[Xylo- + Gr. fwnh` sound.] 1913 Webster]
1.(Mus.)Originally, an instrument common among the Russians, Poles, and Tartars, consisting of a series of strips of wood or glass graduated in length to the musical scale, resting on belts of straw, and struck with two small hammers; now any similar musical instrument composed of a series of bars of graduated length. Called in Germany strohfiedel, or straw fiddle. 1913 Webster ]
2.An instrument to determine the vibrative properties of different kinds of wood.Knight. 1913 Webster]
Xyloplastic Xy`lo*plas"tic (?), a.[Xylo- + -plastic.](Technol.)Formed of wood pulp by molds; relating to casts made of wood pulp in molds. 1913 Webster]
Xylopyrography Xy`lo*py*rog"ra*phy (?). n.[Xylo- + Gr. /, /, fire + -graphy.]The art or practice of burning pictures on wood with a hot iron; -- called also wood burning and poker painting. See Poker picture, under Poker. 1913 Webster + ]
<-- p. 1672 --> 1913 Webster]
Xyloquinone Xy`lo*qui"none (?), n.[Xylene + quinone.](Chem.)Any one of a group of quinone compounds obtained respectively by the oxidation of certain xylidine compounds. In general they are yellow crystalline substances. 1913 Webster]
Xylorcin Xy*lor"cin (?), n.[Xylene + orcin.](Chem.)A derivative of xylene obtained as a white crystalline substance which on exposure in the air becomes red; -- called also betaorcin. 1913 Webster]
Xylose Xy"lose (?), n.[Pref. xylo- + -ose.](Chem.)An unfermentable sugar of the pentose class, C5H10O5, formed by the hydrolysis of xylan; wood sugar. Webster 1913 Suppl.]
Xylostein Xy*los"te*in (?), n.[Xylo- + Gr. 'oste`on bone.](Chem.)A glucoside found in the poisonous berries of a species of honeysuckle (Lonicera xylosteum), and extracted as a bitter, white, crystalline substance. 1913 Webster]
Xylotile Xy"lo*tile (?), n.Same as Parkesine. 1913 Webster]
Xylotomist Xy*lot"o*mist (?), n.One versed or engaged in xylotomy. Webster 1913 Suppl.]
Xylotomous Xy*lot"o*mous (?), a.[Pref. xylo- + root of Gr. te`mnein to cut.](Zool.)Capable of boring or cutting wood; -- said of many insects. Webster 1913 Suppl.]
Xylotomy Xy*lot"o*my (?), n.[Pref. xylo- + -tomy.]Art of preparing sections (transverse, tangential, or radial) of wood, esp. by means of a microtome, for microscopic examination. Webster 1913 Suppl.]
Xylotrya Xy*lo"try*a (?), n.[NL., fr. Gr. xy`lon wood + / to rub, wear out.](Zool.)A genus of marine bivalves closely allied to Teredo, and equally destructive to timber. One species (Xylotrya fimbriata) is very common on the Atlantic coast of the United States. 1913 Webster]
Xylyl Xy"lyl (?), n.[Xylo- + -yl.](Chem.)Any one of three metameric radicals which are characteristic respectively of the three xylenes. 1913 Webster]
Xylylene Xy"lyl*ene (?), n.(Chem.)Any one of three metameric radicals, CH2.C6H4.CH2, derived respectively from the three xylenes. Often used adjectively; as, xylylene alcohol. 1913 Webster]
Xyridaceous Xyr`i*da"ceous (?), a.(Bot.)Of or pertaining to a natural order (Xyrideae) of endogenous plants, of which Xyris is the type. 1913 Webster]
Xyris Xy"ris (?), n.[L., a kind of Iris, Gr. /, fr. / a razor.](Bot.)A genus of endogenous herbs with grassy leaves and small yellow flowers in short, scaly-bracted spikes; yellow-eyed grass. There are about seventeen species in the Atlantic United States. 1913 Webster]
Xystus Xyst { Xyst(?), ||Xys"tus(?), } n.[L. xystus, Gr. /, from / to scrape, polish; -- so called from its smooth and polished floor.](Anc. Arch.)A long and open portico, for athletic exercises, as wrestling, running, etc., for use in winter or in stormy weather. 1913 Webster]
Xystarch Xyst"arch (?), n.[L. xystarches, Gr. /, / a xyst + / to rule.](Gr. Antiq.)An officer having the superintendence of the xyst.Dr. W. Smith. 1913 Webster]
Xyster Xys"ter (?), n.[NL., fr. Gr. xysth`r a scraper.](Surg.)An instrument for scraping bones. 1913 Webster]