Webster's Dictionary 1913

82

Xiphura

‖Xi‐phu″ra (?), n. pl. [NL., from Gr. ξίφοσ sword + ουρἄ tail.] (Zoöl.) Same as Limuloidea. Called also Xiphosura.X ray. See under Ray.

83

XP

XP (?). The first two letters of the Greek word ΞΡΙΣΤΟΣ, Christ; — an abbreviation used with the letters separate or, oftener, in a monogram, often inclosed in a circle, as a sy...

84

Xylamide

Xy‐lam″ide (?), n. [Xylic + amide.] (Chem.) An acid amide derivative of xylic acid, obtained as a white crystalline substance.

85

Xylan

Xy″lan (?), n.(Chem.) A gummy substance of the pentosan class, present in woody tissue, and yielding xylose on hydrolysis; wood gum.

86

Xylanthrax

Xy‐lan″thrax (?), n. [Gr. ξύλον wood + ἄνθραξ coal.] Wood coal, or charcoal; — so called in distinction from mineral coal.

87

Xylate

Xy″late (?), n.(Chem.) A salt of xylic acid.

88

Xylem

Xy″lem (?), n. [Gr. ξύλον wood.] (Bot.) That portion of a fibrovascular bundle which has developed, or will develop, into wood cells; — distinguished from phloëm.

89

Xylene

Xy″lene (?), n. [Gr. ξύλον 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 ...

90

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.

91

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 ...

92

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 mesit...

93

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 a...

94

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 subs...

95

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 res...

96

Xylite

Xy″lite (?), n. [Gr. ξύλον wood.] (Chem.) A liquid hydrocarbon found in crude wood spirits.

97

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.

98

Xylo-

Xy″lo– (?). A combining form from Gr. ξύλον wood; as in xylogen, xylograph.

99

Xylobalsamum

‖Xy′lo‐bal″sa‐mum (?), n. [NL., fr. Gr. ξύλον wood + βάλσαμον the balsam tree, balsam; cf. L. xylobalsamum balsam wood, Gr. ξυλοβάλσαμον.] (Med.) The dried twigs of a Syrian tre...

100

Xylocarpous

Xy′lo‐car″pous (?), a. [Xylo- + Gr. καρπόσ fruit.] (Bot.) Bearing fruit which becomes hard or woody.

101

Xylocopa

‖Xy‐loc″o‐pa (?), n. [NL., fr. Gr. � cutting wood; ξύλον wood + � to cut.] (Zoöl.) A genus of hymenopterous insects including the carpenter. See Carpenter bee, under Carpenter. ...

102

Xylogen

Xy″lo‐gen (?), n. [Xylo- + -gen.] (a) (Bot.) Nascent wood; wood cells in a forming state. (b) Lignin.

103

Xylograph

Xy″lo‐graph (?), n. [Xylo- + -graph.] An engraving on wood, or the impression from such an engraving; a print by xylography.

104

Xylographer

Xy‐log″ra‐pher (?), n. One who practices xylography.

105

Xylographic

{ Xy′lo‐graph″ic (?), Xy′lo‐graph″ic‐al (?), } a. [Cf. F. xylographique.] Of or pertaining to xylography, or wood engraving.

106

Xylography

Xy‐log″ra‐phy (?), n. [Xylo- + -graphy: cf. F. xylographie.]1. The art of engraving on wood.2. The art of making prints from the natural grain of wood. Knight.3. A method pf pri...

107

Xyloid

Xy″loid (?), a. [Xylo- + -oid.] Resembling wood; having the nature of wood.

108

Xyloidin

Xy‐loid″in (?), n. [Xylo- + -oid.] (Chem.) A substance resembling pyroxylin, obtained by the action of nitric acid on starch; — called also nitramidin.