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单词 polyvalent
释义

polyvalent

[ pol-ee-vey-luhnt, puh-liv-uh-luhnt ]
/ ˌpɒl iˈveɪ lənt, pəˈlɪv ə lənt /

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

OTHER WORDS FROM polyvalent

pol·y·va·lence, noun

Words nearby polyvalent

polytypic, polyunsaturate, polyunsaturated, polyurethane, polyuria, polyvalent, polyvalent allergy, polyvalent serum, polyvalent vaccine, polyvinyl, polyvinyl acetal
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for polyvalent

  • A polyvalent vaccine contains several strains of the infective agent and a mixed contains several different organisms.

    The Fundamentals of Bacteriology|Charles Bradfield Morrey
  • The complement fixation test is like a Wassermann reaction, but the antigen should be polyvalent.

    The Ethics of Medical Homicide and Mutilation|Austin O'Malley

British Dictionary definitions for polyvalent

polyvalent
/ (ˌpɒlɪˈveɪlənt, pəˈlɪvələnt) /

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 forms of polyvalent

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

Medical definitions for polyvalent

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.

Other words from polyvalent

pol′y•valence null n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for polyvalent

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.
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更新时间:2024/11/14 1:47:15