- a person or thing that inhibits.
- Chemistry. a substance that decreases the rate of or stops completely a chemical reaction.
- any impurity in a mineral that prevents luminescence.Compare activator(def 3).
- Rocketry. an inert antioxidant used with solid propellants to inhibit burning on certain surfaces.
Origin of inhibitor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for inhibitor
The character in this case is an inhibitor of tail development.
On account of this weakness of the inhibitor in the germ-plasm of No. 117 that inhibitor is rarely fully activated.
Even in the DR's the inhibitor may sometimes work itself out.
In this case we may conceive that an unusually potent condition of the inhibitor wholly stopped the development of the tail.
Such birds being heterozygous for the inhibitor factor, should be whites showing some coloured "ticks."Mendelism
Reginald Crundall Punnett
- Also called: inhibiter a person or thing that inhibits
- Also called: anticatalyst a substance that retards or stops a chemical reactionCompare catalyst
- a substance that inhibits the action of an enzyme
- a substance that inhibits a metabolic or physiological processa plant growth inhibitor
- any impurity in a solid that prevents luminescence
- an inert substance added to some rocket fuels to inhibit ignition on certain surfaces
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for inhibitor
1868 in scientific use (earlier as a Scottish legal term), agent noun in Latin form from inhibit.
Online Etymology Dictionary, © 2010 Douglas Harper
- A substance that restrains or retards physiological, chemical, or enzymatic action.
- A nerve whose stimulation represses activity.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.