单词 | cis- |
释义 | cis- 1. a prefix occurring in loanwords from Latin meaning "on the near side of" (cisalpine); on this model, used in the formation of compound words (cisatlantic). 2. Chem. a specialization of this denoting a geometric isomer having a pair of identical atoms or groups attached on the same side of two atoms linked by a double bond. Cf. trans- (def. 2). [ < L; akin to HERE] |
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