noun Date: 1866 a colorless liquid C 4 H 6 O 3 with a pungent odor used in organic synthesis (as of cellulose acetate and aspirin)
ACETIC ANHYDRIDE
Meaning of ACETIC ANHYDRIDE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012