- a substance that, because of the reactions it causes, is used in analysis and synthesis.
Origin of reagent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for reagent
Tannin precipitates, and the precipitate is soluble in excess of the reagent.Poisons: Their Effects and Detection
Alexander Wynter Blyth
Moisten samples of cotton and of wool with Millon's reagent.Clothing and Health
Treat a sample of the flour in a test tube with this reagent.Detection of the Common Food Adulterants
Edwin M. Bruce
If this is not the case a slight excess of the reagent is added.Cooley's Practical Receipts, Volume II
It is a reagent which adds new qualities and rearranges what is received.Human Nature and Conduct
- a substance for use in a chemical reaction, esp for use in chemical synthesis and analysis
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
Word Origin and History for reagent
Online Etymology Dictionary, © 2010 Douglas Harper
- A substance used in a chemical reaction to detect, measure, examine, or produce other substances.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A substance participating in a chemical reaction, especially one used to detect, measure, or produce another substance. Compare agent.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.