Activates


to make active; cause to function or act.
Physics.

to render more reactive; excite:
to activate a molecule.
to induce radioactivity.

to aerate (sewage) in order to accelerate decomposition of impure organic matter by microorganisms.
Chemistry.

to make (carbon, a catalyst, molecules, etc.) more .
to hasten (reactions) by various means, as heating.

to place (a military unit or station) on an active status in an assigned capacity.
Contemporary Examples

It activates your parasympathetic nervous system and tells your body to relax and recuperate.
How to Master the Art of Breathing Ari Meisel April 13, 2014

It also has found a formula that activates and energizes hundreds of millions of people to believe in a better future.
China’s Not the Big Trade Cheat Harming America’s Domestic Economy Zachary Karabell March 18, 2012

Historical Examples

The suggestion reaches your subconscious and activates you consciously to waken.
A Practical Guide to Self-Hypnosis Melvin Powers

verb (transitive)
to make active or capable of action
(physics) to make radioactive
(chem)

to increase the rate of (a reaction)
to treat (a substance, such as carbon or alumina) so as to increase powers of adsorption

(physiol) to prepare by arousal (the body or one of its organs (e.g. the brain)) for action
to purify (sewage) by aeration
(US, military) to create, mobilize, or organize (a unit)
v.

1620s; see active + -ate (2). Related: Activated; activating.

Read Also:

  • Activation analysis

    a method for the qualitative and quantitative determination of trace amounts of various elements by measuring the characteristic radioactive decay induced by neutron bombardment.

  • Activation

    to make active; cause to function or act. Physics. to render more reactive; excite: to activate a molecule. to induce radioactivity. to aerate (sewage) in order to accelerate decomposition of impure organic matter by microorganisms. Chemistry. to make (carbon, a catalyst, molecules, etc.) more . to hasten (reactions) by various means, as heating. to place […]

  • Activation energy

    the least amount of energy required to activate atoms or molecules to a state in which they can undergo a chemical reaction. activation energy (āk’tə-vā’shən) The least amount of energy needed for a chemical reaction to take place. Some elements and compounds react together naturally just by being close to each other, and their activation […]

  • Activation record

    activation record compiler (Or “data frame”, “stack frame”) A data structure containing the variables belonging to one particular scope (e.g. a procedure body), as well as links to other activation records. Activation records are usually created (on the stack) on entry to a block and destroyed on exit. If a procedure or function may be […]

  • Activator

    a person or thing that . Chemistry, Biochemistry. a catalyst. any impurity in a mineral that causes luminescence. Compare (def 3). Orthodontics. a removable appliance, usually of hard plastic, that is worn in the mouth instead of a fixed appliance to help align the teeth and improve the relationship of the lower jaw to the […]


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