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1. (n.) valence
the quality that determines the number of atoms or groups with which any single atom or group will unite chemically.
2. valence
the relative combining capacity of an atom or group compared with that of the standard hydrogen atom.
3. valence
the number of binding sites on a molecule, as an antibody or antigen.
4. (n.) Valence
a city in SE France. 70,307.
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| Definition of 'Valence' |
Princeton's WordNet |
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1. (noun) valence, valency
(biology) a relative capacity to unite or react or interact as with antigens or a biological substrate
2. (noun) valence, valency
(chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent)
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| Definition of 'Valence' |
Webster Dictionary |
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1. (noun) Valence
the degree of combining power of an atom (or radical) as shown by the number of atoms of hydrogen (or of other monads, as chlorine, sodium, etc.) with which it will combine, or for which it can be substituted, or with which it can be compared; thus, an atom of hydrogen is a monad, and has a valence of one; the atoms of oxygen, nitrogen, and carbon are respectively dyads, triads, and tetrads, and have a valence respectively of two, three, and four
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Definitions of Valence 
