activation
Pluralactivations (some meanings)
- 1The act of switching something on so it starts working.
Like flipping a switch to turn on a light.
Activation of the alarm system happens the moment you press the button.
The new phone needs activation before you can make any calls.
Similarinitiation, triggering, launch
Oppositedeactivation, shutdown
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- 2An event or campaign used to make people notice and care about a brand.
Like a free sample stand in a store that makes you want to buy the snack.
The team planned a colorful activation to launch the new sneakers.
Crowds gathered around the activation at the music festival.
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- 3The process of getting molecules ready so they can take part in a reaction.
Like winding up a toy so it is ready to move.
Heat often provides the activation that two chemicals need to react.
Without activation, the molecules stay still and nothing happens.
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- 4The making of a radioactive material by hitting a stable one with tiny particles.
Activation in the reactor made the once-stable foil radioactive.
Doctors get useful materials for scans through the activation of ordinary metals.
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Practice
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