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verb (used with object), ac·ti·vat·ed, ac·ti·vat·ing.
1.
to make active; cause to function or act.
2.
Physics.
a.
to render more reactive; excite: to activate a molecule.
b.
to induce radioactivity.
3.
to aerate (sewage) in order to accelerate decomposition of impure organic matter by microorganisms.
4.
Chemistry.
a.
to make (carbon, a catalyst, molecules, etc.) more active.
b.
to hasten (reactions) by various means, as heating.
5.
to place (a military unit or station) on an active status in an assigned capacity.
Related forms
ac·ti·va·tion, noun
non·ac·ti·va·tion, noun
o·ver·ac·ti·vate, verb (used with object), o·ver·ac·ti·vat·ed, o·ver·ac·ti·vat·ing.
su·per·ac·ti·vate, verb (used with object), su·per·ac·ti·vat·ed, su·per·ac·ti·vat·ing.
un·ac·ti·vat·ed, adjective
Synonyms
1. actuate, start, turn on, set going.
1. actuate, start, turn on, set going.
Antonyms
1. stop, halt, check.
1. stop, halt, check.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Activating
is always a great word to know.
So is ninnyhammer. Does it mean:
| a fool or simpleton; ninny. |
| the offspring of a zebra and a donkey. |
WordNet
| activating | |
adjective | |
| 1. | causing motion or action or change |
noun | |
| 1. | the activity of causing to have energy and be active [syn: energizing] |
WordNet® 3.0, © 2006 by Princeton University.
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