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  1. Dictionary
    activate
    /ˈaktɪveɪt/

    verb

    • 1. make (something) active or operative: "fumes from cooking are enough to activate the alarm" Similar operateswitch onturn onstartOpposite switch off

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  2. dictionary.cambridge.org › dictionary › englishACTIVATE | English meaning - Cambridge Dictionary

    ACTIVATE definition: 1. to cause something to start: 2. to make a chemical reaction happen more quickly, especially by…. Learn more.

  3. dictionary.cambridge.org › us › dictionaryACTIVATE | definition in the Cambridge English Dictionary

    ACTIVATE meaning: 1. to cause something to start: 2. to make a chemical reaction happen more quickly, especially by…. Learn more.

  4. www.merriam-webster.com › dictionary › activateActivate Definition & Meaning - Merriam-Webster

    The meaning of ACTIVATE is to make active or more active. How to use activate in a sentence.

  5. www.collinsdictionary.com › dictionary › englishACTIVATE definition and meaning | Collins English Dictionary

    Definition of 'activate' activate. (æktɪveɪt ) Word forms: activates , activating , activated. verb [usually passive] If a device or process is activated, something causes it to start working. Video cameras with night vision can be activated by movement. [be VERB -ed] ...a voice-activated computer. [VERB-ed]

  6. www.dictionary.com › browse › activateACTIVATE Definition & Meaning | Dictionary.com

    to make active; cause to function or act. Synonyms: start, actuate. Antonyms: halt, stop, check. Physics. to render more reactive; excite: to activate a molecule. to induce radioactivity. to aerate (sewage) in order to accelerate decomposition of impure organic matter by microorganisms. Chemistry.

  7. www.vocabulary.com › dictionary › activateActivate - Definition, Meaning & Synonyms | Vocabulary.com

    To activate something is to start it off, trigger it, or set it in motion. A villain in a late-night movie might say, “Activate the robot chickens!” And then you’re free to activate your remote and change the channel.

  8. dictionary.cambridge.org › dictionary › learner-englishMeaning of activate – Learner’s Dictionary - Cambridge Dictionary

    ACTIVATE definition: to make something start working: . Learn more.

  9. www.thefreedictionary.com › activateActivate - definition of activate by The Free Dictionary

    ac·ti·vate. (ăk′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.

  10. www.collinsdictionary.com › us › dictionaryACTIVATE - All you need to know about it | Collins English...

    A complete guide to the word "ACTIVATE": definitions, pronunciations, synonyms, grammar insights, collocations, examples, and translations.

  11. www.oxfordlearnersdictionaries.com › us › definitionactivate verb - Definition, pictures, pronunciation and usage...

    Definition of activate verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.