ENGLISH
REFERENCE

activation

n.
US //ˌæktəˈveɪʃən// UK //ˌæktɪvˈeɪʃən// ac·ti·va·tion
  1. 1 starting a process (n.)
    B2 Upper Intermediate

    the act of making something start working or becoming active.

    the act of making something active or effective; bringing a system or device into a state of operation.

    Example

    You will receive an email with a code for the activation of your new account.

    Example

    The sudden activation of the building's emergency alarm system caused immediate confusion among the staff who had not been briefed on the drill.
  2. 2 chemical/biological (n.)
    C1 Advanced Technical Science

    the process of making a substance or molecule ready to react.

    the process by which a molecule is prepared to undergo a chemical reaction or a biological process is triggered.

    Example

    The activation of certain enzymes helps your body digest food more quickly.

    Example

    Researchers observed that the activation of the T-cells occurred only after exposure to the specific viral protein.
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  1. 3 brand promotion (n.)
    C1 Advanced Academic Formal

    the act of showing off a brand through a special event or campaign to get people interested.

    the process of increasing brand awareness and engagement through experiential events or integrated marketing campaigns.

    Example

    The company planned a massive brand activation at the music festival to reach younger customers.

    Example

    The agency's strategy for the product activation focused on immersive digital experiences rather than traditional television advertisements.
  2. 4 physics/radioactivity (n.)
    C2 Proficiency Technical Science

    making a material radioactive by hitting it with tiny particles.

    the process of inducing radioactivity in a stable isotope by bombarding it with neutrons, protons, or other particles.

    Example

    Neutron activation is a technique used to find out what elements are in a sample.

    Example

    The structural components of the reactor underwent significant activation after years of exposure to high-intensity neutron flux.

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