activator (redirected from prothrombin activator)

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.

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acti·vation n.

acti·vator n.

Thesaurus

Noun

1.

activator - (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription substance - the real physical matter of which a person or thing consists; "DNA is the substance of our genes" biological science, biology - the science that studies living organisms activating agent - (mineral extraction) a surface-active chemical used in flotation process to increase the attraction to a specific mineral catalyst, accelerator - (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected sensitiser, sensitizer - (chemistry) a substance other than a catalyst that facilitates the start of a catalytic reaction inhibitor - a substance that retards or stops an activity

Translations

activator [ˈæktɪˌveɪtəʳ] N → activador m