cat·​a·​lyt·​ic | \ ˌka-tə-ˈli-tik How to pronounce catalytic (audio) \

Definition of catalytic

: causing, involving, or relating to catalysis

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Other Words from catalytic

catalytically \ ˌka-​tə-​ˈli-​ti-​k(ə-​)lē How to pronounce catalytically (audio) \ adverb

Examples of catalytic in a Sentence

Recent Examples on the Web

The function exists in older diesel vehicles that don’t use catalytic converters with selective catalytic reduction, which reduces nitrogen oxides to nitrogen and water, rendering the emissions harmless. William Boston, WSJ, "Daimler Cuts Outlook on Fresh Diesel Allegations," 24 June 2019 With ancient creatures branching off to modern-day animals, this was the catalytic moment when Darwin realized with all certainty that all plants and animals are related. Rachael Lallensack, Smithsonian, "Here Are 12 Things You Might Miss in the Smithsonian’s New Fossil Hall," 7 June 2019 Non-catalytic stoves draw the woodsmoke through a series of baffles [Fig. Roy Berendson, Popular Mechanics, "The Ultimate Guide To Cutting and Splitting Firewood," 28 Sep. 2018 It is lifted by a thin, 17-foot rotor blade that whirls just above the pilot's head under the power of hydrogen peroxide fuel broken down by catalytic action into steam that is ejected at high speed from the rotor tips. Scott Harrison,, "From the Archives: The Pinwheel helicopter," 19 June 2018 But the catalytic evil of the park has turned out to be something far less futuristic than the show’s premise would imply. Brian Barrett, WIRED, "Westworld’s Real Villain Has Always Been Its Privacy Policy," 24 June 2018 In the mid-1970s, Dale Flook applied for a patent on the concept of using a computer to monitor a process of catalytic conversion of hydrocarbons. Timothy B. Lee, Ars Technica, "Why a 40-year-old SCOTUS ruling against software patents still matters today," 21 June 2018 The second season, which arrived in 2017, tackled the conundrum of Kanye West's catalytic My Beautiful Dark Twisted Fantasy. Hannah Giorgis, The Atlantic, "Is It Futile to 'Dissect' Frank Ocean's Work?," 17 May 2018 Remarkably, all the protein in all organisms is made by the catalytic activity of the RNA component of the ribosome, the cellular machine that reads genetic information and makes protein molecules. Jack Szostak, Scientific American, "How Did Life Begin?," 8 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'catalytic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of catalytic

1836, in the meaning defined above

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Last Updated

3 Jul 2019

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Time Traveler for catalytic

The first known use of catalytic was in 1836

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More Definitions for catalytic


cat·​a·​lyt·​ic | \ ˌkat-ᵊl-ˈit-ik How to pronounce catalytic (audio) \

Medical Definition of catalytic

: causing, involving, or relating to catalysis a catalytic reaction

Other Words from catalytic

catalytically \ -​ˈit-​i-​k(ə-​)lē How to pronounce catalytically (audio) \ adverb

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More from Merriam-Webster on catalytic

Rhyming Dictionary: Words that rhyme with catalytic

Spanish Central: Translation of catalytic

Nglish: Translation of catalytic for Spanish Speakers

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