activator
n. 活化剂, 催化剂, 触媒剂 [化] 助催化剂; 活化剂; 激活剂; 激活剂发光材料
词形变化
别名
释义与例句
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1.
One who, or that which, activates.
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2.
Something that activates a catalyst
化学 -
3.
Any chemical or agent which regulates one or more genes by increasing the rate of transcription.
生物 -
4.
A type of effector that increases the rate of enzyme-mediated reactions.
生物 -
5.
A type of dopant used in phosphors and scintillators.
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6.
An agent that enables the flotation of a mineral or minerals.
商务 采矿 -
7.
A hand-held device that delivers a controlled fast thrust to a joint, muscle, etc., to help stimulate nervous system activity.
词汇关系
相关短语
词源
Etymology tree Proto-Indo-European *h₂eǵ- Proto-Indo-European *-eti Proto-Indo-European *h₂éǵeti Proto-Italic *agō Latin agō Proto-Indo-European *-wósder. 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 English -or English activator From activate + -or.
来源:wiktionary