chain reaction

noun
Updated on: 9 May 2018

Definition of chain reaction

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

play \ˈchān-rē-ˈakt\ intransitive verb

Examples of chain reaction in a Sentence

  1. Increased oil prices could trigger a chain reaction in the economy.

Recent Examples of chain reaction from the Web

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

First Known Use of chain reaction

circa 1902

in the meaning defined at sense 1a

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CHAIN REACTION Defined for English Language Learners

chain reaction

Definition of chain reaction for English Language Learners

  • : a series of events in which each event causes the next one : a series of events caused by one single event

  • : a chemical or nuclear change that causes other changes of the same kind to happen


CHAIN REACTION Defined for Kids

chain reaction

noun

Definition of chain reaction for Students

: a series of events in which each event causes the next one

Medical Dictionary

chain reaction

noun

medical Definition of chain reaction

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

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