styphnic acid
noun
styph·nic acid
ˈstifnik-
: an explosive yellow crystalline astringent acid (NO2)3C6H(OH)2 obtained usually by nitration of resorcinol; 2,4,6-trinitro-resorcinol compare picric acid
Word History
Etymology
styphnic International Scientific Vocabulary styphn- (from G—in German styphninsäure styphnic acid—, irregular from Greek stryphnos astringent) + -ic