polyvalent [pol-ee- vey-l uh nt, p uh- liv- uh-l uh nt] EXAMPLES | WORD ORIGIN adjective . Chemistry having more than one valence. . Bacteriology (of an immune serum) containing several antibodies, each capable of reacting with a specific antigen. Origin of polyvalent
First recorded in
-valent Related forms pol·y·va·lence, noun
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for polyvalent Historical Examples of polyvalent British Dictionary definitions for polyvalent adjective chem having more than one valency (of a vaccine) effective against several strains of the same disease-producing microorganism, antigen, or toxin produced from cultures containing several strains of the same microorganism Derived Forms polyvalency, noun
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 polyvalent adj.
poly- + -valent, from Latin valentem, present participle of valere "be worth" (see valiant). Coined by German chemist Emil Erlenmeyer (1825-1909), who also designed the flask that bears his name.
Online Etymology Dictionary, © 2010 Douglas Harper
polyvalent [pŏl′ē-vā ′lənt] adj. Acting against or interacting with more than one kind of antigen, antibody, toxin, or microorganism. Having more than one chemical valence. Related forms pol′y•va null ′lence n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Acting against or interacting with more than one kind of antigen, antibody, toxin, or microorganism. Having more than one valence. Iron and manganese are polyvalent elements.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.