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| X | | () X, the twenty-fourth letter of the English alphabet, ... |
| X rays | | (n. pl.) Alt. of X-rays ... |
| X-ray tube | | () A vacuum tube suitable for producing Rontgen rays. ... |
| X-rays | | (n. pl.) The Rontgen rays; -- so called by ... |
| Xanthamide | | (n.) An amido derivative of xanthic acid obtained as ... |
| Xanthate | | (n.) A salt of xanthic; a xanthogenate. ... |
| Xanthelasma | | (n.) See Xanthoma. ... |
| Xanthian | | (a.) Of or pertaining to Xanthus, an ancient town ... |
| Xanthic | | (a.) Tending toward a yellow color, or to one ... |
| Xanthic | | (a.) Possessing, imparting, or producing a yellow color; as, ... |
| Xanthic | | (a.) Of or pertaining to xanthic acid, or its ... |
| Xanthic | | (a.) Of or pertaining to xanthin. ... |
| Xanthide | | (n.) A compound or derivative of xanthogen. ... |
| Xanthidia | | (pl. ) of Xanthidium ... |
| Xanthidium | | (n.) A genus of minute unicellular algae of the ... |
| Xanthin | | (n.) A crystalline nitrogenous body closely related to both ... |
| Xanthin | | (n.) A yellow insoluble coloring matter extracted from yellow ... |
| Xanthin | | (n.) One of the gaseous or volatile decomposition products ... |
| Xanthin | | () A white microcrystalline nitrogenous compound, C5H4O2N4, present in ... |
| Xanthine | | () Alt. of Xanthin ... |
| Xanthinine | | (n.) A complex nitrogenous substance related to urea and ... |
| Xanthium | | (n.) A genus of composite plants in which the ... |
| Xantho- | | () A combining form from Gr. xanqo`s yellow; as ... |
| Xanthocarpous | | (a.) Having yellow fruit. ... |
| Xanthochroi | | (n. pl.) A division of the Caucasian races, comprising ... |
| Xanthochroic | | (a.) Having a yellowish or fair complexion; of or ... |
| Xanthochroid | | (a.) Having a yellowish or fair complexion. ... |
| Xanthochroid | | (n.) A person having xanthochroid traits. ... |
| Xanthochroism | | (n.) Abnormal coloration of feathers in which yellow replaces ... |
| Xanthodontous | | (a.) Having yellow teeth. ... |
| Xanthogen | | (n.) The hypothetical radical supposed to be characteristic of ... |
| Xanthogen | | (n.) Persulphocyanogen. ... |
| Xanthogenate | | (n.) A salt of xanthic acid. ... |
| Xanthogenic | | (a.) Producing a yellow color or compound; xanthic. ... |
| Xanthoma | | (n.) A skin disease marked by the development or ... |
| Xanthomatous | | (a.) Of or pertaining to xanthoma. ... |
| Xanthomelanous | | (a.) Of or pertaining to the lighter division of ... |
| Xanthophane | | (n.) The yellow pigment present in the inner segments ... |
| Xanthophyll | | (n.) A yellow coloring matter found in yellow autumn ... |
| Xanthopous | | (a.) Having a yellow stipe, or stem. ... |
| Xanthoproteic | | (a.) Pertaining to, or derived from, xanthoprotein; showing the ... |
| Xanthoprotein | | (n.) A yellow acid substance formed by the action ... |
| Xanthopuccine | | (n.) One of three alkaloids found in the root ... |
| Xanthorhamnin | | (n.) A glucoside extracted from Persian berries as a ... |
| Xanthorhiza | | (n.) A genus of shrubby ranunculaceous plants of North ... |
| Xanthorhoea | | (n.) A genus of endogenous plants, native to Australia, ... |
| Xanthose | | (n.) An orange-yellow substance found in pigment spots of ... |
| Xanthosis | | (n.) The yellow discoloration often observed in cancerous tumors. ... |
| Xanthospermous | | (a.) Having yellow seeds. ... |
| Xanthous | | (a.) Yellow; specifically (Ethnol.), of or pertaining to those ... |
| Xanthoxylene | | (n.) A liquid hydrocarbon of the terpene series extracted ... |
| Xanthoxylum | | (n.) A genus of prickly shrubs or small trees, ... |
| Xebec | | (n.) A small three-masted vessel, with projecting bow stern ... |
| Xeme | | (n.) An Arctic fork-tailed gull (Xema Sabinii). ... |
| Xenelasia | | (n.) A Spartan institution which prohibited strangers from residing ... |
| Xenia | | (pl. ) of Xenium ... |
| Xenium | | (n.) A present given to a guest or stranger, ... |
| Xenodochium | | (n.) A house for the reception of strangers. ... |
| Xenodochium | | (n.) In the Middle Ages, a room in a ... |
| Xenodochy | | (n.) Reception of strangers; hospitality. ... |
| Xenogamy | | (n.) Cross fertilization. ... |
| Xenogenesis | | (n.) Same as Heterogenesis. ... |
| Xenogenesis | | (n.) The fancied production of an organism of one ... |
| Xenogenetic | | (a.) Of or pertaining to xenogenesis; as, the xenogenetic ... |
| Xenomania | | (n.) A mania for, or an inordinate attachment to, ... |
| Xenomi | | (n. pl.) A suborder of soft-rayed fresh-water fishes of ... |
| Xenon | | (n.) A very heavy, inert gaseous element occurring in ... |
| Xenopterygii | | (n. pl.) A suborder of fishes including Gobiesox and ... |
| Xenotime | | (n.) A native phosphate of yttrium occurring in yellowish-brown ... |
| Xenurine | | (n.) A cabassou. ... |
| Xenyl | | (n.) The radical characteristic of xenylic compounds. ... |
| Xenylic | | (a.) Pertaining to, derived from, designating, certain amido compounds ... |
| Xeraphim | | (n.) An old money of account in Bombay, equal ... |
| Xeres | | (n.) Sherry. See Sherry. ... |
| Xerif | | (n.) A shereef. ... |
| Xeriff | | (n.) A gold coin formerly current in Egypt and ... |
| Xeroderma | | (n.) Ichthyosis. ... |
| Xeroderma | | (n.) A skin disease characterized by the presence of ... |
| Xeronate | | (n.) A salt of xeronic acid. ... |
| Xeronic | | (a.) Pertaining to, or designating, an acid, C8H12O4, related ... |
| Xerophagy | | (n.) Among the primitive Christians, the living on a ... |
| Xerophilous | | (a.) Drought-loving; able withstand the absence or lack of ... |
| Xerophthalmia | | (n.) An abnormal dryness of the eyeball produced usually ... |
| Xerophthalmy | | (n.) Xerophthalmia. ... |
| Xiphias | | (n.) A genus of fishes comprising the common swordfish. ... |
| Xiphias | | (n.) The constellation Dorado. ... |
| Xiphias | | (n.) A comet shaped like a sword ... |
| Xiphidium | | (n.) A genus of plants of the order Haemodraceae, ... |
| Xiphioid | | (a.) Of, pertaining to, or resembling, a cetacean of ... |
| Xiphiplastra | | (pl. ) of Xiphiplastron ... |
| Xiphiplastron | | (n.) The posterior, or fourth, lateral plate in the ... |
| Xiphisterna | | (pl. ) of Xiphisternum ... |
| Xiphisternum | | (n.) The posterior segment, or extremity, of the sternum; ... |
| Xiphisternum | | (n.) The xiphiplastron. ... |
| Xiphius | | (n.) A genus of cetaceans having a long, pointed, ... |
| Xiphodon | | (n.) An extinct genus of artiodactylous mammals found in ... |
| Xiphoid | | (a.) Like a sword; ensiform. ... |
| Xiphoid | | (a.) Of or pertaining to the xiphoid process; xiphoidian. ... |
| Xiphoidian | | (a.) Xiphoid. ... |
| Xiphophyllous | | (a.) Having sword-shaped leaves. ... |
| Xiphosura | | (n. pl.) See Xiphura. ... |
| Xiphura | | (n. pl.) Same as Limuloidea. Called also Xiphosura. ... |
| XP | | () The first two letters of the Greek word ... |
| Xylamide | | (n.) An acid amide derivative of xylic acid, obtained ... |
| Xylan | | (n.) A gummy substance of the pentosan class, present ... |
| Xylanthrax | | (n.) Wood coal, or charcoal; -- so called in ... |
| Xylate | | (n.) A salt of xylic acid. ... |
| Xylem | | (n.) That portion of a fibrovascular bundle which has ... |
| Xylene | | (n.) Any of a group of three metameric hydrocarbons ... |
| Xylenol | | (n.) Any one of six metameric phenol derivatives of ... |
| Xyletic | | (a.) Pertaining to, or designating, a complex acid related ... |
| Xylic | | (a.) Pertaining to, derived from, or related to, xylene; ... |
| Xylidic | | (a.) Pertaining to, or designating, either one of two ... |
| Xylidine | | (n.) Any one of six metameric hydrocarbons, (CH3)2.C6H3.NH2, resembling ... |
| Xylindein | | (n.) A green or blue pigment produced by Peziza ... |
| Xylite | | (n.) A liquid hydrocarbon found in crude wood spirits. ... |
| Xylitone | | (n.) A yellow oil having a geraniumlike odor, produced ... |
| Xylo- | | () A combining form from Gr. xy`lon wood; as ... |
| Xylobalsamum | | (n.) The dried twigs of a Syrian tree (Balsamodendron ... |
| Xylocarpous | | (a.) Bearing fruit which becomes hard or woody. ... |
| Xylocopa | | (n.) A genus of hymenopterous insects including the carpenter. ... |
| Xylogen | | (n.) Nascent wood; wood cells in a forming state. ... |
| Xylogen | | (n.) Lignin. ... |
| Xylograph | | (n.) An engraving on wood, or the impression from ... |
| Xylographer | | (n.) One who practices xylography. ... |
| Xylographic | | (a.) Alt. of Xylographical ... |
| Xylographical | | (a.) Of or pertaining to xylography, or wood engraving. ... |
| Xylography | | (n.) The art of engraving on wood. ... |
| Xylography | | (n.) The art of making prints from the natural ... |
| Xylography | | (n.) A method pf printing in colors upon wood ... |
| Xyloid | | (a.) Resembling wood; having the nature of wood. ... |
| Xyloidin | | (n.) A substance resembling pyroxylin, obtained by the action ... |
| Xylol | | (n.) Same as Xylene. ... |
| Xylology | | (n.) The branch of dendrology treating of the gross ... |
| Xylonite | | (n.) See Zylonite. ... |
| Xylophaga | | (n.) A genus of marine bivalves which bore holes ... |
| Xylophagan | | (n.) One of a tribe of beetles whose larvae ... |
| Xylophagan | | (n.) Any species of Xylophaga. ... |
| Xylophagan | | (n.) Any one of the Xylophagides. ... |
| Xylophagides | | (n. pl.) A tribe or family of dipterous flies ... |
| Xylophagous | | (a.) Eating, boring in, or destroying, wood; -- said ... |
| Xylophagous | | (a.) Of or pertaining to the genus Xylophaga. ... |
| Xylophilan | | (n.) One of a tribe of beetles (Xylophili) whose ... |
| Xylophilous | | (a.) Of or pertaining to the xylophilans. ... |
| Xylophone | | (n.) An instrument common among the Russians, Poles, and ... |
| Xylophone | | (n.) An instrument to determine the vibrative properties of ... |
| Xyloplastic | | (a.) Formed of wood pulp by molds; relating to ... |
| Xylopyrography | | (n.) The art or practice of burning pictures on ... |
| Xyloquinone | | (n.) Any one of a group of quinone compounds ... |
| Xylorcin | | (n.) A derivative of xylene obtained as a white ... |
| Xylose | | (n.) An unfermentable sugar of the pentose class, C5H10O5, ... |
| Xylostein | | (n.) A glucoside found in the poisonous berries of ... |
| Xylotile | | (n.) Same as Parkesine. ... |
| Xylotomist | | (n.) One versed or engaged in xylotomy. ... |
| Xylotomous | | (a.) Capable of boring or cutting wood; -- said ... |
| Xylotomy | | (n.) Art of preparing sections (transverse, tangential, or radial) ... |
| Xylotrya | | (n.) A genus of marine bivalves closely allied to ... |
| Xylyl | | (n.) Any one of three metameric radicals which are ... |
| Xylylene | | (n.) Any one of three metameric radicals, CH2.C6H4.CH2, derived ... |
| Xyridaceous | | (a.) Of or pertaining to a natural order (Xyrideae) ... |
| Xyris | | (n.) A genus of endogenous herbs with grassy leaves ... |
| Xyst | | (n.) Alt. of Xystus ... |
| Xystarch | | (n.) An office/ having the superintendence of the xyst. ... |
| Xyster | | (n.) An instrument for scraping bones. ... |
| Xystus | | (n.) A long and open portico, for athletic exercises, ... |
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