HyperDic: activator

English > 1 sense of the word activator:
NOUNsubstanceactivator(biology) any agency bringing about activation
activator > pronunciation
Rhymesabductor ... zoster: 649 rhymes with ter...
English > activator: 1 sense > noun 1, substance
Meaning(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.
Categorybiology, biological scienceThe science that studies living organisms
Narroweractivating 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
sensitizer, sensitiser(chemistry) a substance other than a catalyst that facilitates the start of a catalytic reaction
BroadersubstanceThe real physical matter of which a person or thing consists
OppositeinhibitorA substance that retards or stops an activity
Verbsactivatemake active or more active

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