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单词 substituent
释义

substituent

noun

sub·​stit·​u·​ent səb-ˈsti-chə-wənt How to pronounce substituent (audio)
-ˈstich-wənt
: an atom or group that replaces another atom or group in a molecule
substituent adjective

Word History

Etymology

Latin substituent-, substituens, present participle of substituere

First Known Use

circa 1896, in the meaning defined above

Medical Definition

substituent

noun

sub·​stit·​u·​ent səb-ˈstich-(ə-)wənt How to pronounce substituent (audio)
: an atom or group that replaces another atom or group in a molecule
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更新时间:2026/6/7 21:05:42