deactivator

名词 n.
中文释义
英 /ˌdiːˈæktɪveɪtə(ɹ)/   

英文释义

名词 n.
  1. Any device used to deactivate something.
  2. A chamber filled with iron filings or other material used to remove excess oxygen or other substances from water.

词形变化

deactivators plural

词源

Etymology tree
Proto-Indo-European *de
Proto-Indo-European *-h₁
Proto-Indo-European *déh₁
Proto-Italic *dē
Latin dē
Latin dē-der.
English de-
Proto-Indo-European *h₂eǵ-
Proto-Indo-European *-eti
Proto-Indo-European *h₂éǵeti
Proto-Italic *agō
Latin agō
Proto-Indo-European *-wós
Proto-Indo-European *-iHwósder.
Latin -īvus
▲
Ancient Greek ἐνεργητῐκός (energētĭkós)sl.
Latin āctīvusbor.
Old French actifbor.
Middle English actyf
English active
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-tós
Proto-Indo-European *-eh₂tos
Proto-Italic *-ātos
Latin -ātuslbor.
English -ate
English activate
English deactivate
Proto-Indo-European *-tōr
Proto-Italic *-tōr
Latin -tor
Latin -ātor
Old French -eorbor.
Middle English -our
▲
Latin -torlbor.
English -or
English deactivator
From deactivate + -or.
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