activate

(ăkˈtə-vātˌ)

1. To set in motion; make active or more active.
2. To organize or create (a military unit, for example): activate the National Guard.
3. To treat (sewage) with aeration and bacteria to aid decomposition.
4. Chemistry To accelerate a reaction in, as by heat.
5. Physics To make (a substance) radioactive.
6. Biology To convert (certain biological compounds) into biologically active derivatives.

Related Forms:

• acˌti·vaˈtion noun

• acˈti·vaˌtor noun