English noun: valency |
1. | valency (phenomenon) the phenomenon of forming chemical bonds |
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| Broader (hypernym) | chemical phenomenon |
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2. | valency (attribute) (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate |
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| Synonyms | valence |
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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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3. | valency (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 | valence |
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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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