racemic
/rəˈsiːmɪk/
构词拆解
- -ic
- Used to form adjectives from nouns with the meaning “of or pertaining to”. · (chemistry) Used to denote certain chemical compounds in which a specified chemical element has a greater oxidation number than in the equivalent compound whose name ends in the suffix -ous. For example sulphuric acid (H₂SO₄) has more oxygen atoms per molecule than sulphurous acid (H₂SO₃).
词源链
- 英语English
racemic
词源说明
From French racémique, from Latin racēmus (“cluster or bunch of grapes”) + -ique or from raceme + -ic. The name came from racemic acid, which was isolated from grapes.
释义
形容词adjective
- 1(chemistry) Containing equal amounts of dextrorotatory (+) and levorotatory (−) stereoisomers and therefore not optically active.