Synonyms: activated
Definition: (military) set up and placed on active assignment
Usage: a newly activated unit
Similar words: active
Definition: engaged in full-time work
Usage: active duty; though past retirement age he is still active in his profession
Synonyms: activated
Definition: rendered active; e.g. rendered radioactive or luminescent or photosensitive or conductive
Similar words: active
Definition: exerting influence or producing a change or effect
Usage: an active ingredient
Definition: (of e.g. a molecule) made reactive or more reactive
Similar words: reactive
Definition: participating readily in reactions
Usage: sodium is a reactive metal; free radicals are very reactive
Synonyms: activated
Definition: (of sewage) treated with aeration and bacteria to aid decomposition
Similar words: treated
Definition: subjected to a physical (or chemical) treatment or action or agent
Usage: the sludge of treated sewage can be used as fertilizer; treated timbers resist rot; treated fabrics resist wrinkling