| 单词 | substituent |
| 释义 | substituent /sub stich"ooh euhnt/, n. 1. Chem. an atom or atomic group that takes the place of another atom or group present in the molecule of the original compound. adj. 2. having been or capable of being substituted. [1890-95; < L substituent- (s. of substituens), prp. of substituere to SUBSTITUTE, equiv. to sub- SUB- + -stitu-, comb. form of statuere to set up, erect (see STATUE) + -ent- -ENT] |
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