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1. Dictionary

   activation

   /ˌaktɪˈveɪʃn/

   noun

   • 1. the action or process of making something active or operative: "phones with voice activation"
   • ▪ the process of making a substance chemically or catalytically active.

   Scrabble Points: 15

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2. sciencenotes.org › what-is-activation-energyWhat Is Activation Energy? Definition and Examples

   sciencenotes.org › what-is-activation-energy

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   Mar 7, 2021 · In chemistry and physics, activation energy is the minimum amount of energy needed to start a chemical reaction. Reactants often get activation energy from heat, but sometimes energy comes from light or energy released by other chemical reactions.

3. dictionary.cambridge.org › english › activationACTIVATION | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › english › activation

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   ACTIVATION definition: 1. the act of making something start or making it start working: 2. the act of making something…. Learn more.

4. support.microsoft.com › en-us › windowsActivate Windows - Microsoft Support

   support.microsoft.com › en-us › windows

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   Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

   • Video Duration: 3 min

5. People also ask

   What is activation?

   • Definition of activation noun from the Oxford Advanced Learner's Dictionary the act of making something such as a device or chemical process start working The activation of several target genes results in two major effects. The Oxford Learner’s Thesaurus explains the difference between groups of similar words.

   activation noun | Definition, pictures, pronunciation and usage notes

   www.oxfordlearnersdictionaries.com/definition/english/activation

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   What is Windows Activation?

   • Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. Watch how to activate Windows in the video below. Having trouble playing the video? Watch it on YouTube. Are you having problems activating Windows?

   Activate Windows - Microsoft Support

   support.microsoft.com/en-us/windows/activate-windows-c39005d4-95ee-b91e-b399-2820fda32227

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   What is activation energy in chemistry?

   • Activation energy is indicated by the symbol E a and has units of joules (J), kilojoules per mole (kJ/mol), or kilocalories per mole (kcal/mol). An enzyme or catalyst lowers the activation energy. (Jerry Crimson Mann, CC 3.0) A catalyst lowers the activation energy of a chemical reaction. Enzymes are examples of catalysts.

   What Is Activation Energy? Definition and Examples - Science Notes and

   sciencenotes.org/what-is-activation-energy-definition-and-examples/

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   How do you use activation in a sentence?

   • Use the noun activation to describe the process of turning on or starting something, or energizing someone. A missing cat might inspire the activation of a neighborhood search party. The activation of a school policy to combat bullying both starts the program up and inspires people to get involved with it.

   Activation - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com/dictionary/activation

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   How do reactants get activation energy?

   • Reactants often get activation energy from heat, but sometimes energy comes from light or energy released by other chemical reactions. For spontaneous reactions, the ambient temperature supplies enough energy to achieve the activation energy.

   What Is Activation Energy? Definition and Examples - Science Notes and

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   What does activation of a target gene mean?

   • the act of making something such as a device or chemical process start working The activation of several target genes results in two major effects. The Oxford Learner’s Thesaurus explains the difference between groups of similar words. Try it for free as part of the Oxford Advanced Learner’s Dictionary app

   activation noun | Definition, pictures, pronunciation and usage notes

   www.oxfordlearnersdictionaries.com/definition/english/activation

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6. dictionary.cambridge.org › english › activationACTIVATION | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › english › activation

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   ACTIVATION meaning: 1. the act of making something start or making it start working: 2. the act of making something…. Learn more.

7. www.thefreedictionary.com › activationActivation - definition of activation by The Free Dictionary

   www.thefreedictionary.com › activation

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   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.

8. www.vocabulary.com › dictionary › activationActivation - Definition, Meaning & Synonyms - Vocabulary.com

   www.vocabulary.com › dictionary › activation

   Use the noun activation to describe the process of turning on or starting something, or energizing someone. A missing cat might inspire the activation of a neighborhood search party.

9. www.oxfordlearnersdictionaries.com › activationactivation noun - Definition, pictures, pronunciation and ...

   www.oxfordlearnersdictionaries.com › activation

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   noun. /ˌæktɪˈveɪʃn/. /ˌæktɪˈveɪʃn/. [uncountable] the act of making something such as a device or chemical process start working. The activation of several target genes results in two major effects. to trigger/inhibit/block the activation of something. Topics Engineering c1, Physics and chemistry c1.