Definition of Activator in English :

Define Activator in English

Activator meaning in English

Meaning of Activator in English

Pronunciation of Activator in English

Activator pronunciation in English

Pronounce Activator in English


see synonyms of activator


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

WordNet Lexical Database for English. Princeton University. 2010.


see synonyms of activator
a thing or person that activates
2.  Chemistry
a substance used to induce or accelerate a chemical reaction

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


see synonyms of activator
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 (a molecule or cell) into a form that carries out a specific action: activate an enzyme; activate B cells.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.