"activated" in the verb sense

1. trip, actuate, trigger, activate, set off, spark off, spark, trigger off, touch off

put in motion or move to act

"trigger a reaction"

"actuate the circuits"

2. activate

make active or more active

"activate an old file"

3. activate

make more adsorptive

"activate a metal"

4. activate, aerate

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

5. activate

make (substances) radioactive

"activated" in the adjective sense

1. activated

of sewage) treated with aeration and bacteria to aid decomposition

2. activated, excited

of e.g. a molecule) made reactive or more reactive

3. activated

rendered active e.g. rendered radioactive or luminescent or photosensitive or conductive

4. activated

military) set up and placed on active assignment

"a newly activated unit"

Source: WordNet® (An amazing lexical database of English)

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