Xylanthrax, zī-lan′thraks, n. wood-coal.

Xylem, zī′lem, n. the woody part of vegetable tissue—opposed to the phloëm, or bast part.

Xylobalsamum, zī-lō-bal′sa-mum, n. the dried twigs of the balm-of-Gilead tree.

Xylocarp, zī′lō-kärp, n. a hard and woody fruit.—adj. Xylocar′pous.

Xylography, zi-log′ra-fi, n. the art of engraving on wood.—ns. Xyl′ograph, an impression or print from a wood block: an impression of the grain of wood for surface decoration; Xylog′rapher.—adjs. Xylograph′ic, -al. [Gr. xylon, wood, graphein, to write.]

Xyloid, zī′loid, adj. woody, ligneous.

Xyloidine, zī-loi′din, n. an explosive like gun-cotton, prepared by the action of strong nitric acid on starch or woody fibre. [Gr. xylon, wood, eidos, form, appearance.]

Xylol, zī′lol, n. any of the metameric dimethyl benzenes. [Gr. xylon, wood, L. oleum, oil.]

Xylonite, zī′-lō-nīt, n. a kind of celluloid (q.v.). [Gr. xylon, wood.]

Xylophagan, zī-lof′a-gan, n. one of the Xyloph′aga, a genus of boring bivalves.