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Definitions

catalyst

[kat-l-ist] / ˈkæt l ɪst /


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.

Marl-Brock had been telling others and that was "the catalyst" for what happened later.

From BBC • Apr. 4, 2026

The pool of individual investors that acted as a catalyst for private-credit firms’ rapid growth is now a source of fragility.

From The Wall Street Journal • Apr. 2, 2026

She said that another catalyst for the company is the fact that Taiwan Semiconductor Manufacturing Co.

From MarketWatch • Apr. 1, 2026

A beat would be a welcome catalyst for Tesla stock, which has fallen for six consecutive weeks, dropping 13% over that span.

From Barron's • Mar. 31, 2026

Rosa Parks was a true catalyst for change and she was only one person.

From "The Freedom Writers Diary" by The Freedom Writers