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Meaning of ACTIVATE

Pronunciation:  'aktu`veyt

WordNet Dictionary
  1. [v]  make active or more active; "activate an old file"
  2. [v]  make (substances) radioactive
  3. [v]  aerate (sewage) so as to favor the growth of organisms that decompose organic matter
  4. [v]  make more adsorptive; of metals
  5. [v]  put in motion or move to act; "trigger a reaction"; "actuate the circuits"

ACTIVATE is a 8 letter word that starts with A.


 Synonyms: actuate, aerate, set off, spark, spark off, touch off, trigger, trigger off, trip
 Antonyms: deactivate, inactivate
 See Also: alter, change, come about, go on, hap, happen, initiate, occur, pass, pass off, pioneer, reactivate, take place



Webster's 1913 Dictionary
\Ac"ti*vate\, v. t.
To make active. [Obs.]

Medical Dictionary
 Definition: In biology, to stimulate a cell in a resting state to become active. This causes biochemical and functional changes in the activated cell.
Thesaurus Terms
 Related Terms: accelerate, actuate, animate, arouse, atomize, awaken, bombard, charge, cleave, contaminate, cross-bombard, energize, fission, galvanize, get going, impel, infect, initiate, irradiate, mobilize, motivate, move, nucleize, poison, prompt, radiumize, rally, reactivate, recharge, remilitarize, rouse, set going, set in motion, smash the atom, start, stimulate, stir, switch on, trigger, turn on, wake, waken