activation
- 01 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.
Simple“You will receive an email with a code for the activation of your new account.”
In context“The sudden activation of the building's emergency alarm system caused immediate confusion among the staff who had not been briefed on the drill.”
SynonymsAntonymsdeactivationshutdown - 02 C1 Advanced
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.
Simple“The activation of certain enzymes helps your body digest food more quickly.”
In context“Researchers observed that the activation of the T-cells occurred only after exposure to the specific viral protein.”
SynonymsAntonyms - 03 C1 Advanced
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.
Simple“The company planned a massive brand activation at the music festival to reach younger customers.”
In context“The agency's strategy for the product activation focused on immersive digital experiences rather than traditional television advertisements.”
- 04 C2 Proficiency
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.
Simple“Neutron activation is a technique used to find out what elements are in a sample.”
In context“The structural components of the reactor underwent significant activation after years of exposure to high-intensity neutron flux.”
“Through a series of validation experiments, researchers found that the promoter of Lgr4 was well suited for constructing an EMF-inducible (Ei) gene switch, exhibiting precise activation with no detectable adverse effects during the study.”
“After this activation step, all three types of plastic decomposed efficiently.”