谷氨酰胺 gǔ'ānxiān'àn glutamine Origin Definitions Defs Strokes Stroke Words Sentences Sents 谷 gǔ nounproper noun valley valley; gorge; a low area or waterway between two mountains氨 ān noun ammonia Chemical compound of nitrogen and hydrogen that is a colorless gas with a pungent smell; commonly used in fertilizers and refrigerants.酰胺 xiān'àn amide amide or acidamide (chemistry)