chemical reaction

noun
Chemistry, reaction ( def 7 ).
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
chemical reaction
 
—n
Compare nuclear reaction a process that involves changes in the structure and energy content of atoms, molecules, or ions but not their nuclei

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Chemical_reaction is always a great word to know.
So is taurine. Does it mean:
a highly concentrated, aqueous solution of potassium hydroxide or sodium hydroxide, or any solution resulting from leaching or percolation
a neutral crystalline substance, C2H7NO3S, obtained from bile
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American Heritage
Cultural Dictionary

chemical reaction definition


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 American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Weighing six pounds, it provides an hour's worth of oxygen through a chemical
  reaction.
The fluid travels through the channels and a chemical reaction occurs that
  causes the spot to change color.
Known as opsins, they respond to light by triggering a chemical reaction that
  sends a signal from the eye to the brain.
The chemical reaction that occurs in lithium-ion batteries is complicated.
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