英语词源字典 - 在线词源网站

racemic acid [racemic acid 词源字典]: "A compound (originally obtained from the tartar in grape juice) consisting of equal proportions of the laevo- and dextrorotatory isomers of tartaric acid. Now chiefly historical", Mid 19th cent.; earliest use found in Records of General Science.[racemic acid etymology, racemic acid origin, 英语词源]
racemic: "Composed of dextrorotatory and laevorotatory forms of a compound in equal proportion", Early 19th century (in racemic acid): from French racémique 'derived from grape juice' (originally referring to tartaric acid in this) + -ic.