catalyst
noun
a substance that causes or accelerates a chemical reaction without itself being affected.
catalysts
-
pluralof catalyst.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Moderna and Revolution Medicines have upcoming catalysts that could help sustain their gains, even as biotech stocks retreat.
From Barron's ● Oct. 16, 2026
Fans of “The Good Wife” or “The Good Fight” are familiar with how the Kings turned emerging tech issues — particularly ones involving Google, Amazon or Facebook — into narrative catalysts for cases.
From Los Angeles Times ● Oct. 16, 2026
Then there were catalysts that could improve the efficiency of ammonia production for fertilizers, a century-old industrial process.
From The Wall Street Journal ● Oct. 15, 2026
The researchers believe this unexpected mechanism could guide the development of catalysts that interact more effectively with molecular hydrogen, potentially improving the chemical pathways responsible for producing methanol from CO2.
From Science Daily ● Oct. 14, 2026
Hearing about Rosa Parks and her protest showed me that there is hope for me and all the students in Ms. G’s classes to truly be catalysts for change.
From "The Freedom Writers Diary" by The Freedom Writers
