activator

activator

English

Alternative forms

Etymology

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.

    Noun

    activator (plural activators)

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

    Derived terms

    Translations

    Romanian

    Etymology

    From activa +‎ -tor.

    Noun

    activator n (plural activatoare)

    1. activator

    Declension

    singular plural
    indefinite definite indefinite definite
    nominative-accusative activator activatorul activatoare activatoarele
    genitive-dative activator activatorului activatoare activatoarelor
    vocative activatorule activatoarelor
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