Dictionary
Showing 51-100 of 146 results
Xenogenesis
() Same as Heterogenesis.
Xenogenesis
() The fancied production of an organism of one kind by an organism of another.
Xenogenetic
() Of or pertaining to xenogenesis; as, the xenogenetic origin of microzymes.
Xenomania
() A mania for, or an inordinate attachment to, foreign customs, institutions, manners, fashions, etc.
Xenomi
() A suborder of soft-rayed fresh-water fishes of which the blackfish of Alaska (Dallia pectoralis) is the type.
Xenopterygii
() 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.
Xenotime
() A native phosphate of yttrium occurring in yellowish-brown tetragonal crystals.
Xenurine
() A cabassou.
Xenyl
() The radical characteristic of xenylic compounds.
Xenylic
() Pertaining to, derived from, designating, certain amido compounds obtained by reducing certain nitro derivatives of diphenyl.
Xeraphim
() An old money of account in Bombay, equal to three fifths of a rupee.
Xeres
() Sherry. See Sherry.
Xerif
() A shereef.
Xeriff
() A gold coin formerly current in Egypt and Turkey, of the value of about 9s. 6d., or about $2.30; -- also, in Morocco, a ducat.
Xeroderma
() Ichthyosis.
Xeroderma
() A skin disease characterized by the presence of numerous small pigmented spots resembling freckles, with which are subsequently mingled spots of atrophied skin.
Xeronate
() A salt of xeronic acid.
Xeronic
() 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.
Xerophagy
() Among the primitive Christians, the living on a diet of dry food in Lent and on other fasts.
Xerophilous
() Drought-loving; able withstand the absence or lack of moisture.
Xerophthalmia
() An abnormal dryness of the eyeball produced usually by long-continued inflammation and subsequent atrophy of the conjunctiva.
Xerophthalmy
() Xerophthalmia.
Xiphias
() A genus of fishes comprising the common swordfish.
Xiphias
() The constellation Dorado.
Xiphias
() A comet shaped like a sword
Xiphidium
() A genus of plants of the order Haemodraceae, having two-ranked, sword-shaped leaves.
Xiphioid
() Of, pertaining to, or resembling, a cetacean of the genus Xiphius or family Xiphiidae.
Xiphiplastra
() of Xiphiplastron
Xiphiplastron
() The posterior, or fourth, lateral plate in the plastron of turtles; -- called also xiphisternum.
Xiphisterna
() of Xiphisternum
Xiphisternum
() The posterior segment, or extremity, of the sternum; -- sometimes called metasternum, ensiform cartilage, ensiform process, or xiphoid process.
Xiphisternum
() The xiphiplastron.
Xiphius
() 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.
Xiphodon
() An extinct genus of artiodactylous mammals found in the European Tertiary formations. It had slender legs, didactylous feet, and small canine teeth.
Xiphoid
() Like a sword; ensiform.
Xiphoid
() Of or pertaining to the xiphoid process; xiphoidian.
Xiphoidian
() Xiphoid.
Xiphophyllous
() Having sword-shaped leaves.
Xiphosura
() See Xiphura.
Xiphura
() Same as Limuloidea. Called also Xiphosura.
Xylamide
() An acid amide derivative of xylic acid, obtained as a white crystalline substance.
Xylanthrax
() Wood coal, or charcoal; -- so called in distinction from mineral coal.
Xylate
() A salt of xylic acid.
Xylem
() That portion of a fibrovascular bundle which has developed, or will develop, into wood cells; -- distinguished from phloem.
Xylene
() 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.
Xylenol
() Any one of six metameric phenol derivatives of xylene, obtained as crystalline substances, (CH3)2.C6H3.OH.
Xyletic
() 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.
Xylic
() 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.
Xylidic
() 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.
Xylidine
() 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.