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View synonyms for activator
activator
[ ak-tuh-vey-ter ]
noun
- a 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.
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Other Words From
- non·acti·vator noun
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Word History and Origins
Origin of activator1
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Example Sentences
TA-65, the new study claims, is a “telomerase activator”—that is, it turns on telomerase in cells.
From The Daily Beast
The Black Doctor closed his eyes wearily and flipped an activator switch.
From Project Gutenberg
I call him Homo Causacadere, the fall causer, whose activator is hostility.
From Project Gutenberg
Finally, he poked the activator bar, and watched as the machine spat out tape.
From Project Gutenberg
They may have been, and the use of the activator may have been extorted from one of them.
From Project Gutenberg
Skordran Kirv used a door-activator to slide open a hidden door.
From Project Gutenberg
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