acid halide acid green • acid head · · · Info · Definitions · Synonyms · Characters · · acid halide · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) organic compounds containing the group -COX where X is a halogen atom. Synonyms: acyl halide, acid halide. · · Noun Definition 1 Synonyms · · · acyl halide · · Synonym 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 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C