Definition of Activated

Adjective: activated 'ak-ti,vey-tid

Rendered active; e.g. rendered radioactive, luminescent, photosensitive or conductive
(of sewage) treated with aeration and bacteria to aid decomposition
(of e.g. a molecule) made reactive or more reactive
- excited
(military) set up and placed on active assignment
"a newly activated unit"

Verb: activate 'ak-ti,veyt

Put in motion or move to act
"activate the circuits";
- trip, actuate, trigger, set off, spark off, spark, trigger off, touch off
Make active or more active
"activate an old file"
Make more adsorptive
"activate a metal"
Aerate (sewage) so as to favour the growth of organisms that decompose organic matter
- aerate
Make (substances) radioactive