anticatalyst

[an-tee-kat-l-ist, an-tahy-]

noun Chemistry.

an inhibitor.

Origin of anticatalyst

First recorded in 1920–25; anti- + catalyst
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for anticatalyst

anticatalyst

noun

a substance that destroys or diminishes the activity of a catalyst
another name for inhibitor (def. 2)
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