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1. A substance that retards or arrests a chemical reaction.
2. A substance that reduces or destroys the effectiveness of a catalyst.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Chemistry) a substance that destroys or diminishes the activity of a catalyst
2. (Chemistry) another name for inhibitor2
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||anticatalyst - (chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst|
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
inhibitor - a substance that retards or stops an activity
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