An acetate is a salt or ester of acetic acid. Look up Acetate, acetate, acétate, or aĉetate in Wiktionary, the free dictionary. Acetate may also refer to: Cellulose acetate, the acetate ester of cellulose Acetate disc, disc used in record production Projector transparencies, sometimes referred to as acetates, or acetate sheets. This disambiguation page lists articles associated with the title Acetate.If an internal link led you here, you may wish to change the link to point directly to the intended article. Wikiwand - on Seamless Wikipedia browsing. On steroids.