- 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. 2019
- 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
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.