from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Having more than one valence.
  • adjective Having a valence of 3 or higher.
  • adjective Having more than one site of attachment. Used of an antibody or antigen.
  • adjective Containing antigens from more than one strain of a microorganism or virus. Used of a vaccine or serum.

from The Century Dictionary.

  • noun Having a valence greater than unity: used of chemical elements and radicals. The term is sometimes used, less correctly, of compounds, especially of alcohols and phenols, derived from polyvalent radicals. Such compounds are now correctly termed polyacid alcohols.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Chem.) Multivalent.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective multivalent; having a number of different forms, purposes, meanings, aspects or principles.
  • adjective chemistry Having a high valence, especially more than three
  • adjective chemistry Having multiple valencies
  • adjective biology Containing antibodies to more than one kind of pathogen

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective containing several antibodies each capable of counteracting a specific antigen
  • adjective having more than one valence, or having a valence of 3 or higher


Sorry, no etymologies found.


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