Acetate is a type of organic compound that is composed of a carbonyl group bonded to two hydroxyl groups. It is commonly represented by the chemical formula CH3COO-. The crossword solutions for the term acetate are methyl (6 letters), ethyl (5 letters), ESTER (5 letters) and amyl (4 letters). Methyl is an alkyl group with one carbon atom, ethyl is an alkyl group with two carbon atoms, ESTER is a functional group derived from a carboxylic acid and an alcohol, and amyl is an alkyl group with five carbon atoms.