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reactant

 
Dictionary: re·ac·tant   (rē-ăk'tənt) pronunciation
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n.
A substance participating in a chemical reaction, especially a directly reacting substance present at the initiation of the reaction.


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Medical Dictionary: re·ac·tant
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(rē-ăk'tənt)
n.

A substance participating in a chemical reaction, especially a directly reacting substance present at the start of the reaction.

Veterinary Dictionary: reactant
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A substance which takes part in a reaction and is altered by it.

WordNet: reactant
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Note: click on a word meaning below to see its connections and related words.

The noun has one meaning:

Meaning #1: a chemical substance that is present at the start of a chemical reaction

 
 

 

Copyrights:

Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more
Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company.  Read more
Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved.  Read more
WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved.  Read more