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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

    Learn the meaning of activate as a verb in English, with synonyms, related words, and usage examples. Find out how to pronounce activate and how to translate it in different languages.

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

    Learn the meaning, synonyms, examples, and history of the verb activate, which means to make active or more active. See how to use activate in different contexts, such as chemistry, biology, and military.

  4. 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.

  5. 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.

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

    Learn the meaning and usage of the verb activate, which means to make active or capable of action. Find synonyms, pronunciation, collocations, and sentences with activate in British and American English.

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

    Learn the meaning and usage of the verb activate in different contexts, such as physics, chemistry, biology, and military. Find synonyms, antonyms, translations, and related words for activate.