Search the dictionary A Chinese word or character, or English Draw a character Search 4 entries. gǔ'ānsuān 谷氨酸 glutamic acid (Glu), an amino acid gǔ'ānsuān 穀氨酸 glutamic acid (Glu), an amino acid gǔ'ānsuānnà 谷氨酸钠 monosodium glutamate (MSG) (E621) gǔ'ānsuānnà 穀氨酸鈉 monosodium glutamate (MSG) (E621)