catalyze

verb

cat·​a·​lyze ˈka-tə-ˌlīz How to pronounce catalyze (audio)
catalyzed; catalyzing
Synonyms of catalyzenext

transitive verb

1
: to bring about the catalysis of (a chemical reaction)
an enzyme that catalyzes the breakdown of the sugars
2
: bring about, inspire
… his vigorous efforts to catalyze us into activity …Harrison Brown
3
: to alter significantly by or as if by catalysis
… innovations in basic chemical theory that have catalyzed the field …Newsweek
catalyzer noun

Examples of catalyze in a Sentence

a reinstitution of the draft would catalyze protests around the country
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This is because free iron can catalyze reactive oxygen species, which may prove to be chemically damaging. Scott Travers, Forbes.com, 30 Jan. 2026 The advent of the COVID-19 pandemic, combined with the loss of her first place in September, 2020, catalyzed Andrews’ decision to go back to school—but the pivot followed a lifelong interest in cycles of trauma and violence. Tara Anne Dalbow, Los Angeles Times, 27 Jan. 2026 Although Brown doesn’t want the only focus of her campaign to be child care, her role as a child care provider and advocate catalyzed her decision to run. Lina Ruiz, Fort Worth Star-Telegram, 22 Jan. 2026 Mandated by the state’s Climate and Equitable Jobs Act, a 2021 bill catalyzing the transition to 100% renewable energy sources, this is the second four-year grid plan for ComEd. Robert Channick, Chicago Tribune, 20 Jan. 2026 See All Example Sentences for catalyze

Word History

Etymology

see catalysis

First Known Use

1890, in the meaning defined at sense 1

Time Traveler
The first known use of catalyze was in 1890

Browse Nearby Words

Cite this Entry

“Catalyze.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/catalyze. Accessed 1 Feb. 2026.

Kids Definition

catalyze

verb
cat·​a·​lyze ˈkat-ᵊl-ˌīz How to pronounce catalyze (audio)
catalyzed; catalyzing
: to bring about or produce by chemical catalysis

Medical Definition

catalyze

transitive verb
cat·​a·​lyze
variants or British catalyse
catalyzed or British catalysed; catalyzing or British catalysing
: to bring about the catalysis of (a chemical reaction)
catalyzer noun
or British catalyser
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!