polyvalent

[pol-ee-vey-luh nt, puh-liv-uh-luh nt]
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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 1880–85; poly- + -valent
Related formspol·y·va·lence, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for polyvalent

polyvalent

adjective

chem having more than one valency
(of a vaccine)
  1. effective against several strains of the same disease-producing microorganism, antigen, or toxin
  2. produced from cultures containing several strains of the same microorganism
Derived Formspolyvalency, 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.

1881, from 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 in Medicine

polyvalent

[pŏl′ē-vālənt]

adj.

Acting against or interacting with more than one kind of antigen, antibody, toxin, or microorganism.
Having more than one chemical valence.
Related formspol′y•valence null n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

polyvalent in Science

polyvalent

[pŏl′ē-vālənt]

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.