activation

ac·ti·vate  (kt-vt)

tr.v. ac·ti·vat·ed, ac·ti·vat·ing, ac·ti·vates

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.

---

acti·vation n.

acti·vator n.

---

Order to active duty (other than for training) in the Federal service. See also active duty; federal service.

Thesaurus

Noun	1.	activation - stimulation of activity in an organism or chemical indweller - activation by an inner spirit or force or principle; "the Holy Spirit is the indweller of the church and its members" stimulation - (physiology) the effect of a stimulus (on nerves or organs etc.) inactivation - the process of rendering inactive; "the gene inactivation system"; "thermal inactivation of serum samples"
	2.	activation - the activity of causing to have energy and be active activating, energizing activity - any specific behavior; "they avoided all recreational activity" electrification - the activity of thrilling or markedly exciting some person or group invigoration, vivification, animation - the activity of giving vitality and vigour to something
	3.	activation - making active and effective (as a bomb) commencement, start, beginning - the act of starting something; "he was responsible for the beginning of negotiations" defusing, deactivation - the act of deactivating or making ineffective (as a bomb)

---

activation

noun start, triggering, turning on, switching on, animation, arousal, initiation, mobilization, setting in motion, actuation