Dictionary
Thesaurus
Encyclopedia
Translator
Web
Related Searches
Synonyms
Nearby Words

activate

 - 2 dictionary results
Activate
Shop for Activate, Compare Prices Find more Activate you'll love.
www.Kaboodle.com
Designer Activate $35.98
Save on Designer Supplements, Rebound XT $25.98, Glucophase XR
www.vitadigest.com

ac⋅ti⋅vate

  [ak-tuh-veyt]
Use activate in a Sentence
–verb (used with object), -vat⋅ed, -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.
Origin:
1620–30; active + -ate 1

Related forms:
ac⋅ti⋅va⋅tion, noun

Synonyms:
1. actuate, start, turn on, set going.

Antonyms:
1. stop, halt, check.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To activate
Activate
Shop for Activate, Compare Prices Find more Activate you'll love.
www.Kaboodle.com
Designer Activate $35.98
Save on Designer Supplements, Rebound XT $25.98, Glucophase XR
www.vitadigest.com
ac·ti·vate   (āk'tə-vāt')   
tr.v.   ac·ti·vat·ed, ac·ti·vat·ing, ac·ti·vates

  1. To set in motion; make active or more active.

  2. To organize or create (a military unit, for example): activate the National Guard.

  3. To treat (sewage) with aeration and bacteria to aid decomposition.

  4. Chemistry To accelerate a reaction in, as by heat.

  5. Physics To make (a substance) radioactive.

  6. Biology To convert (certain biological compounds) into biologically active derivatives.

ac'ti·va'tion n., ac'ti·va'tor n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Search another word or see activate on Thesaurus | Reference
FacebookTwitterFollow us:
Partner Sites:
Ask AnswersEviteExpediaHotelsHotwireLife123LiveDailyMy Way