| English noun: valence | 
| 1. | valence (attribute) (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate | 
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 | Synonyms | valency | 
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 | Broader (hypernym) | power, powerfulness | 
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 | Attribute | bivalent, double, monovalent, multivalent, polyvalent, univalent | 
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 | Domain category | biological science, biology | 
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| 2. | valence (attribute) (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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 | Synonyms | valency | 
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 | Broader (hypernym) | power, powerfulness | 
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 | Narrower (hyponym) | covalence, covalency | 
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 | Attribute | monovalent, multivalent, polyvalent, univalent | 
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 | Domain category | chemical science, chemistry | 
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