from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A poisonous, explosive yellow crystalline solid, C6H2(NO2)3OH, used in explosives, dyes, and antiseptics.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. 2,4,6-trinitrophenol, C6H2(NO2)3, prepared by the nitration of phenol or of aspirin; a toxic, yellow, explosive substance used in dyes, explosives, and as an antiseptic

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a yellow toxic highly explosive strong acid; used in high explosives and as a dye and in chemical reactions


From French picrique, from Ancient Greek πικρός (pikros, "bitter"). (Wiktionary)


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