| 单词 | activator |
| 释义 | activator[ ak-tuh-vey-ter ] / ˈæk təˌveɪ tər / SEE SYNONYMS FOR activator ON THESAURUS.COM nouna person or thing that activates. Chemistry, Biochemistry. a catalyst. any impurity in a mineral that causes luminescence.Compare inhibitor (def. 3). 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. Origin of activatoractivate + -or2 OTHER WORDS FROM activatornon·ac·ti·va·tor, nounWords nearby activatoractivated mine, activated resin, activated sludge, activation analysis, activation energy, activator, active, active anaphylaxis, active centre, active chronic hepatitis, active congestion Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for activator
Medical definitions for activatoractivator [ ăk′tə-vā′tər ] n.An agent that renders another substance active or accelerates a process or reaction. The fragment produced by chemical cleavage of a proactivator that induces the enzymatic activity of another substance. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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