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Pertaining to, or designating, an acid NH2.C2O2.HO obtained as a fine crystalline powder, intermediate between oxalic acid and oxamide. Its ammonium salt is obtained by boiling oxamide with ammonia.

A white crystalline neutral substance (C2O2(NH2)2) obtained by treating ethyl oxalate with ammonia. It is the acid amide of oxalic acid. Formerly called also oxalamide.

A white crystalline nitrogenous substance, obtained indirectly by the action of cyanogen on aniline, and regarded as an anilide of oxamic acid; -- called also phenyl oxamide.

Pertaining to, or derived from, oxalic acid and aniline; -- used to designate an acid obtained in white crystalline scales by heating these substances together.

a white crystalline substance, resembling oxanilamide, obtained by heating aniline oxalate, and regarded as a double anilide of oxalic acid; -- called also diphenyl oxamide.

One of a series of isonitroso derivatives obtained by the action of hydroxylamine on aldehydes or ketones.

A white crystalline nitrogenous substance (C8H7NO) of the indol group, obtained by the reduction of dioxindol. It is a so-called lactam compound.

o, or designating, a complex nitrogenous acid (C4H5N3O4) not known in the free state, but obtained, in combination with its salts, by a slow oxidation of uric acid, to which it is related.

A substance resembling gutta-percha, and used to adulterate it, obtained from the East Indian tree Isonandra acuminata.

An instrument for obtaining directly, without calculation, the true bearing of the sun, and thence the variation of the compass

common paradoxure. -- Palm crab (Zoöl.), the purse crab. -- Palm oil, a vegetable oil, obtained from the fruit of several species of palms, as the African oil palm (Elæis Guineensis), and used in the manufacture of soap and candles. See Elæis. -- Palm swift (Zoöl.), a small swift (Cypselus Btassiensis) which freque…

A white waxy or fatty substance obtained from castor oil.

Pertaining to, or obtained from, palmitin or palm oil; as, palmitic acid, a white crystalline body belonging to the fatty acid series. It is readily soluble in hot alcohol, and melts to a liquid oil at 62º C.

Pertaining to, or designating, a nitrogenous acid which is obtained by the oxidation of uric acid, as a white crystalline substance (C3N2H2O3); -- also called oxalyl urea.

Pertaining to, or designating, an organic acid obtained as a deliquescent white crystalline substance, and isomeric with itaconic, citraconic, and mesaconic acids.

A base resembling and isomeric with conine, and obtained as a colorless liquid from butyric aldehyde and ammonia.

A polymeric modification of cyanogen, obtained as a brown or black amorphous residue by heating mercuric cyanide.

A white waxy substance, resembling spermaceti, tasteless and odorless, and obtained from coal tar, wood tar, petroleum, etc., by distillation. It is used as an illuminant and lubricant. It is very inert, not being acted upon by most of the strong chemical reagents. It was formerly regarded as a definite compound, but i…

A polymeric modification of aldehyde obtained as a white crystalline substance.

Pertaining to, or designating, an acid obtained from malic acid, and now called fumaric acid. [Obs.]