activate has definitions from the fields of physics,chemistry
1
[ verb ] put in motion or move to act

Examples

"trigger a reaction" "actuate the circuits"

Used in print

(Peter Wyden, "The Chances of Accidental War"...)

What these fragments are and_how they activate the go order may_not be_revealed .

(Anne McCaffrey, "The Ship Who Sang," 7th...)

She had activated one of her microscopic tools which she would later use for minute repairs to various parts of her control_panel .

`` Of_course '' , replied Helva logically , activating her outside scanners .

2
[ verb ] make active or more active

Examples

"activate an old file"

Used in print

(Schuyler Cammann, "The Magic Square of Three in...)

Then , if the middle number is activated to its greatest potential in_terms_of this square , through multiplying it by the highest number , 9 ( which is the square of the base number ) , the result is 45 ; and the latter is the total sum of all the numbers in the square , by which all the other numbers are overshadowed and in_which they may be said to be absorbed .

(Sister Claire Marie Sawyer, Some Aspects of...)

The comprehensive or master processes activate all or some of the elements within the social_system and subsystems .

3
[ verb ] (chemistry) make more adsorptive; of metals

Related terms

change activation

4
[ verb ] aerate (sewage) so as to favor the growth of organisms that decompose organic matter

Synonyms

aerate

Related terms

change air

5
[ verb ] (physics) make (substances) radioactive

Related terms

change activation

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