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chemical reaction

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noun

Chemistry. reaction (def. 7).

QUIZZES

QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for chemical reaction

chemical reaction

noun

a process that involves changes in the structure and energy content of atoms, molecules, or ions but not their nucleiCompare nuclear reaction
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for chemical reaction

chemical reaction

A process in which atoms of the same or different elements rearrange themselves to form a new substance. While they do so, they either absorb heat or give it off.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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