立体异构体 lìtǐyìgòutǐ stereoisomer Origin Definitions Defs Strokes Stroke Words Sentences Sents 立体 立體 lìtǐ three-dimensional three-dimensional; stereoscopic; describing an object that has length, width, and depth异构体 異構體 yìgòutǐ isomer molecule with the same chemical formula as another but with a different arrangement of atoms