chain reaction

noun

1
a
: a series of events so related to each other that each one initiates the next
b
: a number of events triggered by the same initial event
2
: a self-sustaining chemical or nuclear reaction yielding energy or products that cause further reactions of the same kind
chain-react intransitive verb

Examples of chain reaction in a Sentence

Increased oil prices could trigger a chain reaction in the economy.
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.
That simple question set off a chain reaction that led to building Forbes.com as a separate, thriving digital entity. Dr. Diane Hamilton, Forbes, 20 Nov. 2024 This decision set off a chain reaction, with subsequent drivers following suit, believing the lap to be an extra formation lap. David Faris, Newsweek, 4 Nov. 2024 Ramsdale’s transfer could set off a chain reaction. Phil Hay, The Athletic, 29 Aug. 2024 Freak accidents streak through the storylines with kinetic, electrifying energy, igniting a chain reaction of over-the-top kills that coincide under extreme circumstances. Michael Lee Simpson, EW.com, 26 Oct. 2024 See all Example Sentences for chain reaction 

Word History

First Known Use

1892, in the meaning defined at sense 1a

Time Traveler
The first known use of chain reaction was in 1892

Dictionary Entries Near chain reaction

Cite this Entry

“Chain reaction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chain%20reaction. Accessed 27 Nov. 2024.

Kids Definition

chain reaction

noun
1
: a series of events so related to each other that each one sets the next one going
2
: a chemical or nuclear reaction producing energy or products that cause further reactions of the same kind

Medical Definition

chain reaction

noun
: a self-sustaining chemical or nuclear reaction yielding energy or products that cause further reactions of the same kind

More from Merriam-Webster on chain reaction

Last Updated: - Updated example sentences
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