opcw opata • opdalite · · · Info · Definitions · Characters · · opcw · · Text Latin · · Script 4 · · Length 1 · · Syllables Definitions · · · (noun) international organization for chemical disarmament; administers the Chemical Weapons Convention. Synonyms: Organization for the Prohibition of Chemical Weapons, OPCW. · · Noun Definition 1 Characters · · c latin small letter c U+0063 o latin small letter o U+006F p latin small letter p U+0070 w latin small letter w U+0077