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1. Dictionary

   chain re·ac·tion

   /ˌCHān rēˈakSHən/

   noun

   • 1. a chemical reaction or other process in which the products themselves promote or spread the reaction, which under certain conditions may accelerate dramatically.
   • ▪ the self-sustaining fission reaction spread by neutrons which occurs in nuclear reactors and bombs.
   • ▪ a series of events, each caused by the previous one: "an article in one publication sets off a chain reaction in the media"

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2. dictionary.cambridge.org › dictionary › englishCHAIN REACTION | English meaning - Cambridge Dictionary

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   a set of related events in which each event causes the next one, or a chemical reaction in which each change causes another: The war risked setting off a perilous chain reaction that would endanger the whole world. SMART Vocabulary: related words and phrases. Order and sequence - general words. alphabetize. around. back end.

3. www.merriam-webster.com › dictionary › chain reactChain reaction Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › chain react

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   The meaning of CHAIN REACTION is a series of events so related to each other that each one initiates the next. How to use chain reaction in a sentence.

4. dictionary.cambridge.org › us › dictionaryMeaning of chain reaction in English - Cambridge Dictionary

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   CHAIN REACTION meaning: 1. a set of related events in which each event causes the next one, or a chemical reaction in which…. Learn more.

5. www.oxfordlearnersdictionaries.com › english › chain-reactionchain reaction noun - Definition, pictures, pronunciation and...

   www.oxfordlearnersdictionaries.com › english › chain-reaction

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   Definition of chain reaction noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

6. dictionary.cambridge.org › learner-english › chain-reactionMeaning of chain reaction – Learner’s Dictionary - Cambridge...

   dictionary.cambridge.org › learner-english › chain-reaction

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   CHAIN REACTION definition: a series of events where each one causes the next one to happen. Learn more.

7. www.vocabulary.com › dictionary › chain reactionChain reaction - Definition, Meaning & Synonyms - Vocabulary.com

   www.vocabulary.com › dictionary › chain reaction

   Definitions of chain reaction. noun. a series of chemical reactions in which the product of one is a reactant in the next. see more. noun. a self-sustaining nuclear reaction; a series of nuclear fissions in which neutrons released by splitting one atom leads to the splitting of others. see more.

8. www.britannica.com › dictionary › chain-reactChain reaction Definition & Meaning | Britannica Dictionary

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   CHAIN REACTION meaning: 1 : a series of events in which each event causes the next one a series of events caused by one single event; 2 : a chemical or nuclear change that causes other changes of the same kind to happen.

9. www.ldoceonline.com › dictionary › chain-reactionchain reaction | meaning of chain reaction in Longman Dictionary...

   www.ldoceonline.com › dictionary › chain-reaction

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   chain reaction meaning, definition, what is chain reaction: a chemical or nuclear reaction which pro...: Learn more.

10. www.collinsdictionary.com › us › dictionaryDefinition of 'chain reaction' - Collins Online Dictionary

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    noun. (Chemical Engineering: General) A chain reaction is a chemical or nuclear reaction in which the products of the reaction cause more reactions to happen. In the chain reaction, free radicals react with molecules, liberating new free radicals, and the reaction propagates quickly.

11. www.yourdictionary.com › chain-reactionChain Reaction Definition & Meaning - YourDictionary

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    A self-sustaining series of chemical or nuclear reactions in which the products of the reaction contribute directly to the process: it can be started by light, an electric spark, bombardment with neutrons, etc.