<chemistry> Pertaining to, or designating, a strong organic acid (called picric acid), intensely bitter.

Picric acid is obtained by treating phenol with strong nitric acid, as a brilliant yellow crystalline substance, C6H2(NO2)3.OH. It is used in dyeing silk and wool, and also in the manufacture of explosives, as it is very unstable when heated.

Synonyms: trinitrophenol, and formerly carbazotic acid.

Origin: Gr. Bitter.

(01 Mar 1998)

picra, picramic acid, picrasma, picrate < Prev | Next > picric acid, picrite, picrocarmine

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