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  • English Word Xylophaga Definition A genus of marine bivalves which bore holes in wood. They are allied to Pholas.
  • English Word Xylophagan Definition One of a tribe of beetles whose larvae bore or live in wood.
  • English Word Xylophagan Definition Any species of Xylophaga.
  • English Word Xylophagan Definition Any one of the Xylophagides.
  • English Word Xylophagides Definition A tribe or family of dipterous flies whose larvae live in decayed wood. Some of the tropical species are very large.
  • English Word Xylophagous Definition Eating, boring in, or destroying, wood; -- said especially of certain insect larvae, crustaceans, and mollusks.
  • English Word Xylophagous Definition Of or pertaining to the genus Xylophaga.
  • English Word Xylophilan Definition One of a tribe of beetles (Xylophili) whose larvae live on decayed wood.
  • English Word Xylophilous Definition Of or pertaining to the xylophilans.
  • English Word Xylophone Definition 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. Called in Germany strohfiedel, or straw fiddle.
  • English Word Xylophone Definition An instrument to determine the vibrative properties of different kinds of wood.
  • English Word Xyloplastic Definition Formed of wood pulp by molds; relating to casts made of wood pulp in molds.
  • English Word Xylopyrography Definition The art or practice of burning pictures on wood with a hot iron; -- called also poker painting. See Poker picture, under Poker.
  • English Word Xyloquinone Definition Any one of a group of quinone compounds obtained respectively by the oxidation of certain xylidine compounds. In general they are yellow crystalline substances.
  • English Word Xylorcin Definition A derivative of xylene obtained as a white crystalline substance which on exposure in the air becomes red; -- called also betaorcin.
  • English Word Xylostein Definition A glucoside found in the poisonous berries of a species of honeysuckle (Lonicera xylosteum), and extracted as a bitter, white, crystalline substance.
  • English Word Xylotile Definition Same as Parkesine.
  • English Word Xylotrya Definition 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.
  • English Word Xylyl Definition Any one of three metameric radicals which are characteristic respectively of the three xylenes.
  • English Word Xylylene Definition Any one of three metameric radicals, CH2.C6H4.CH2, derived respectively from the three xylenes. Often used adjectively; as, xylylene alcohol.
  • English Word Xyridaceous Definition Of or pertaining to a natural order (Xyrideae) of endogenous plants, of which Xyris is the type.
  • English Word Xyris Definition 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.
  • English Word Xyst Definition Alt. of Xystus
  • English Word Xystarch Definition An office/ having the superintendence of the xyst.
  • English Word Xyster Definition An instrument for scraping bones. Y () Y, the twenty-fifth letter of the English alphabet, at the beginning of a word or syllable, except when a prefix (see Y-), is usually a fricative vocal consonant; as a prefix, and usually in the middle or at the end of a syllable, it is a vowel. See Guide to Pronunciation, // 145, 178-9, 272.
  • English Word Xystus Definition A long and open portico, for athletic exercises, as wrestling, running, etc., for use in winter or in stormy weather.