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词汇 sec-
词根词缀
Webster
Wiktionary

sec-
combining form
Usage: usually ital
Etymology: secondary
: secondary (sense 2e) — especially in names of organic chemical radicals
 < sec-butyl >

sec-

Prefix

  1. organic chemistry secondary-form of a functional group, a branched functional group

Etymology

Abbreviation of secondary.

Synonyms

  • s- (abbreviation)
  • Derived terms

  • s- (abbreviation)
  • Coordinate terms

  • tert-
  • iso-
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    更新时间:2025/5/6 2:21:42