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Having two acid hydrogen atoms capable of replacement by basic atoms or radicals, in forming salts; bibasic; -- said of acids, as oxalic or sulphuric acids. Cf. Diacid, Bibasic.

The property or condition of being dibasic.

n be replaced by positive or basic atoms or radicals to form salts; -- said of acids. See Dibasic.

alent; -- said of a base or radical as capable of saturating two acid monad radicals or a dibasic acid. Cf. Dibasic, a., and Biacid.

ristic of, oxalis, and also certain plant of the Buckwheat family. Oxalic acid (Chem.), a dibasic acid, existing combined in oxalis as an acid potassium oxalate, and in many plant tissues as the calcium oxalate. It is prepared on a large scale, by the action of fused caustic soda or potash on sawdust, as a white crysta…

Pertaining to, or designating, a dibasic acid obtained by the oxidation of naphthalene and allied substances. Phthalic acid (Chem.), a white crystalline substance, C6H4.(CO2H)2, analogous to benzoic acid, and employed in the brilliant dyestuffs called the phthaleins.

Pertaining to, or designating, a dibasic acid of the oxalic series found in archil (Roccella tinctoria, etc.), and other lichens, and extracted as a white crystalline substance C17H32O4.

n resorcin. Styphnic acid resembles picric acid, but is not bitter. It acts like a strong dibasic acid, having a series of well defined salts.

Pertaining to, or derived from, amber; specif., designating a dibasic acid, C

Of, pertaining to, or designating, a dibasic acid of the aromatic series, metameric with phthalic acid, and obtained, as a tasteless white crystalline powder, by the oxidation of oil of turpentine; -- called also paraphthalic acid. Cf. Phthalic.