乙酸基 Save Sign in to save words yǐsuānjī ㄧˇ ㄙㄨㄢ ㄐㄧ acetyl radical CH3COO- Character by character 乙(yǐ)second of the ten Heavenly Stems 十天干 shítiāngān 酸(suān)sour 基(jī)base A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0