activator

Definitions of activator
1

n (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

Antonyms:
inhibitor
a substance that retards or stops an activity
Types:
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activating agent
(mineral extraction) a surface-active chemical used in flotation process to increase the attraction to a specific mineral
accelerator, catalyst
(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
biocatalyst
a biochemical catalyst such as an enzyme
enzyme
any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
platinum black
a fine black powder of platinum; used as a catalyst in chemical reactions
Type of:
substance
the real physical matter of which a person or thing consists

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