acetic anhydride

noun Chemistry.

1. a colorless, pungent liquid, C4H6O3, the anhydride of acetic acid: used chiefly as a reagent and in the production of plastics, film, and fabrics derived from cellulose.

noun

1. a colourless pungent liquid used in the manufacture of cellulose and vinyl acetates for synthetic fabrics. Formula: (CH 3 CO) 2 O