英语词汇“activator”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

ac•ti•va•tor n.

a person or thing that activates.
Biochemistry, Chemistry[Chem., Biochem.]a catalyst.
any impurity in a mineral that causes luminescence. Cf. inhibitor (def. 3).
Dentistry[Orthodontics.]a removable appliance, usually of hard plastic, that is worn in the mouth instead of a fixed appliance to help align the teeth and improve the relationship of the lower jaw to the upper.

单词	activator
释义	WordReference Random House Unabridged Dictionary of American English © 2024 ac•ti•va•tor (ak′tə vā′tər),USA pronunciation n. a person or thing that activates. Biochemistry, Chemistry[Chem., Biochem.]a catalyst. any impurity in a mineral that causes luminescence. Cf. inhibitor (def. 3). Dentistry[Orthodontics.]a removable appliance, usually of hard plastic, that is worn in the mouth instead of a fixed appliance to help align the teeth and improve the relationship of the lower jaw to the upper. activate + -or²
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