Valence Definition

vāləns
valences, valencies, valence
noun
valences
The capacity of an element or radical to combine with another to form molecules, as measured by the number of hydrogen or chlorine atoms which one radical or one atom of the element will combine with or replace (e.g.: oxygen has a valence of two, i.e., one atom of oxygen combines with two hydrogen atoms to form the water molecule, H2O)
Webster's New World
An integer used to represent this capacity, which may be given as positive or negative depending on whether electrons are lost or gained, respectively.
The valences of copper are +1 and +2.
American Heritage Medicine
Any of the units of valence which a particular element may have.
Webster's New World
The number of binding sites of a molecule, such as an antibody or antigen.
American Heritage Medicine
The number of different antigens contained in a vaccine, corresponding to the number of pathogens that it is active against.
American Heritage Medicine
Synonyms:

Other Word Forms of Valence

Noun

Singular:
valence
Plural:
valences

Origin of Valence

  • Latin valentia capacity from valēns valent- present participle of valēre to be strong wal- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

Valence Sentence Examples

  • The number of neutrons and protons is such that the valence nucleons occupy the same orbitals.

  • As I read your material I believe you have a strong " negative valence " to your overall message today.

  • On the other hand, it is urged that, though Guyon and Du Verdier were in a sense contemporaries, they wrote long after the events, and that the testimony of the former is vitiated, not merely by its extreme vagueness, but by the fact .that it occurs in a plaidoyer, tending to exculpate physicians from the charge of unorthodoxy; that Du Verdier in another place assigns the Pantagrueline Prognostication to this same unknown student of Valence, and had therefore probably confused and hearsay notions on the subject; that the rasher and fiercer tone, as well as the apparent repetitions, are sufficiently accounted for on the supposition that Rabelais never finally revised the book, which indeed dates show that he could not have done, as the fourth was not finally settled till just before his death; and that it is perfectly probable, and indeed almost certain, that it was prepared from his papers by another hand, which is responsible for the anachronous allusions above referred to.

  • Because the valence electrons in the water molecule spend more time around the oxygen.. .

  • Particular statements have a positive valence because they assert existence; universal statements have negative valence because they assert nonexistence.

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Words Starting With

VVAVAL

Words Ending With

ECENCE

Unscrambles

valence

Words Starting With V and Ending With E

Starts With V & Ends With EStarts With VA & Ends With EStarts With V & Ends With CE

Word Length

7 Letter Words7 Letter Words Starting With V7 Letter Words Ending With E