activator

名词 n.
中文释义

英文释义

名词 n.
  1. One who, or that which, activates.
  2. Something that activates a catalyst physical
  3. Any chemical or agent which regulates one or more genes by increasing the rate of transcription.
  4. A type of effector that increases the rate of enzyme-mediated reactions.
  5. A type of dopant used in phosphors and scintillators.
  6. An agent that enables the flotation of a mineral or minerals.
  7. A hand-held device that delivers a controlled fast thrust to a joint, muscle, etc., to help stimulate nervous system activity.

词形变化

activators plural activater alternative

词汇关系

衍生词
antiactivator autoactivator bioactivator coactivator continuous erythropoietin receptor activator ferroactivator immunoactivator transactivator vasoactivator

词源

Etymology tree
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
Proto-Indo-European *-tōr
Proto-Italic *-tōr
Latin -tor
Latin -ātor
Old French -eorbor.
Middle English -our
▲
Latin -torlbor.
English -or
English activator
From activate + -or.
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