乙酸根 Traditional form: 乙酸根 Pinyin (reading): yǐsuāngēn Definitions: acetyl radical CH3COO- Characters: 乙 - second; 2nd heavenly stem 酸 - tart, sour; spoiled; acid 根 - root, basis, foundation Traditional characters: 乙 - second; 2nd heavenly stem 酸 - tart, sour; spoiled; acid 根 - root, basis, foundation