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单词 ethylidene
释义

Definition of ethylidene in English:

ethylidene

(also aethyliden)
noun ɪˈθʌɪlɪdiːnɪˈθɪlɪdiːn
Chemistry
  • The divalent hydrocarbon radical  CHCH₃. Usually attributive or a formative element in chemical names.

Origin

Mid 19th century; earliest use found in Henry Watts (1815–1884), chemist. From (i) German Äthyliden.

Definition of ethylidene in US English:

ethylidene

(also aethyliden)
noun
Chemistry
  • The divalent hydrocarbon radical  CHCH₃. Usually attributive or a formative element in chemical names.

Origin

Mid 19th century; earliest use found in Henry Watts (1815–1884), chemist. From (i) German Äthyliden.

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更新时间:2025/6/19 9:02:02