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Activate 2.jpg


transitive verb
  • 1. to make active or more active:
(1) : to make (as molecules) reactive or more reactive
(2) : to convert (as a provitamin) into a biologically active derivative
b : to make (a substance) radioactive
c : to treat (as carbon or alumina) so as to improve adsorptive properties
d (1) : to set up or formally institute (as a military unit) with the necessary personnel and equipment
(2) : to put (an individual or unit) on active duty
intransitive verb
  • 1. to become active