Origin of reactant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for reactant
No matter what distance or reactant I assume, nothing we know will fit.Masters of Space
Edward Elmer Smith
"She's been stripped of her reactant pile, Major," said Strong.The Revolt on Venus
What kind of reactant is Quent Miles using in that ship of yours?
"Reactant feeding at D-9 rate," said Barret after a split-second pause.Sabotage in Space
I don't know who's going to be first, but I can't even strip my ship by tomorrow morning, let alone soup up the reactant.
- a substance that participates in a chemical reaction, esp a substance that is present at the start of the reactionCompare product (def. 4)
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 reactant
Online Etymology Dictionary, © 2010 Douglas Harper
- A substance participating in a chemical reaction, especially a directly reacting substance present at the start of the reaction.
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 present at the start of the reaction.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.