picric acid picric • picris · · · Info · Definitions · Characters · · picric acid · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) a yellow toxic highly explosive strong acid; used in high explosives and as a dye and in chemical reactions. Synonyms: picric acid. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 i latin small letter i U+0069 p latin small letter p U+0070 r latin small letter r U+0072