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to activate
01
to make something such as a process, piece of equipment, etc. start working
Transitive: to activate a process or mechanism
Grammatical Information
Composition
derived
Action verb
Regular
Present tense
activate
3rd person singular
activates
Present participle
activating
Past simple
activated
Past participle
activated
Examples
He activated the alarm system before leaving the house.
02
(physics) to make a substance radioactive
Transitive: to activate a substance
Examples
Scientists can activate certain materials to make them radioactive for research purposes.
03
to stimulate or promote growth, activity, or action in something
Transitive: to activate a process or activity
Examples
She activated her metabolism by exercising regularly.
04
to add air to organic matter to speed up its breakdown process
Transitive: to activate sth
Examples
The farmer activated the manure heap with a tool designed to mix in air.
05
to process a substance to enhance its ability to absorb materials
Transitive: to activate a substance
Examples
The scientists activated the carbon to make it more effective in filtering water.
Lexical Tree
activated
activating
activating
activate
active
act
