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nts from moths. It gives the peculiar flavor to the cordial called absinthe. The volatile oil is a narcotic poison. The term is often extended to other species of the same genus.

To wrestle. [Obs. or Prov. Eng. & Colloq. U.S.] Who wrastleth best naked, with oil enoint. Chaucer.

extracted from the seeds of a Japanese prickly ash (Xanthoxylum pipertium) as an aromatic oil.

ating, 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.

n 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.

A yellow oil having a geraniumlike odor, produced as a side product in making phorone; -- called also xylite oil.

The oil of the mahwa tree.

c. See under Cadmium, Chrome, etc. -- Naples yellow, a yellow amorphous pigment, used in oil, porcelain, and enamel painting, consisting of a basic lead metantimonate, obtained by fusing together tartar emetic lead nitrate, and common salt. -- Patent yellow (Old Chem.), a yellow pigment consisting essentially of a le…

An oily secretion which naturally covers the wool of sheep. Yolk cord (Zoöl.), a slender cord or duct which connects the yolk glands with the egg chambers in certain insects, as in the aphids. -- Yolk gland (Zoöl.), a special organ which secretes the yolk of the eggs in many turbellarians, and in some other invertebra…

An oil pressed by the Arabs from the fruit of a small thorny tree (Balanites Ægyptiaca), and sold to piligrims for a healing ointment. J. Smith (Dict. Econ. Plants).

A piece of orange or lemon peel, or the aromatic oil which may be squeezed from such peel, used to give flavor to liquor, etc.

lso zink.] Butter of zinc (Old Chem.), zinc chloride, ZnCl2, a deliquescent white waxy or oily substance. -- Oxide of zinc. (Chem.) See Zinc oxide, below. -- Zinc amine (Chem.), a white amorphous substance, Zn(NH2)2, obtained by the action of ammonia on zinc ethyl; -- called also zinc amide. -- Zinc amyle (Chem.), a…