谷氨酸钠 gǔ'ānsuānnà monosodium glutamate Definitions Defs Origin Strokes Stroke Words Sentences Sents 谷氨酸 穀氨酸 gǔ'ānsuān glutamic acid An amino acid that plays an important role in protein metabolism; its sodium salt is used to make 味精 wèijīng钠 鈉 nà noun sodium sodium; natrium (chemical element Na)