Definition of Valence

1. Noun. (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate.

Exact synonyms: Valency
Generic synonyms: Power, Powerfulness
Category relationships: Biological Science, Biology
Attributes: Univalent, Bivalent, Double, Multivalent, Monovalent, Polyvalent



2. Noun. (chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent).
Exact synonyms: Valency
Specialized synonyms: Covalence, Covalency
Generic synonyms: Power, Powerfulness
Category relationships: Chemical Science, Chemistry
Attributes: Monovalent, Univalent, Multivalent, Polyvalent
Derivative terms: Valent

Definition of Valence

1. n. 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.

2. n. 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.

Definition of Valence

1. Noun. (chemistry obsolete) An extract; a preparation. ¹

2. Noun. (chemistry) The combining capacity of an atom, radical or functional group determined by the number of electrons that it will lose, gain, or share when it combines with other atoms etc ¹

3. Noun. (chemistry) The number of binding sites of a molecule, such as an antibody or antigen ¹

4. Noun. (linguistics) The number of arguments that a verb can have, including the subject of the verb in the counting, ranging from zero (for the likes of "It rains") to three (for the likes of "He gives her a flower"). ¹

5. Noun. (psychology) A one-dimensional value assigned to an object, situation, or state, that can usually be positive or negative ¹

6. Noun. (alternative spelling of valance) ¹

¹ Source: wiktionary.com

Definition of Valence

1. the degree of combining power of an element or radical [n -S]

Medical Definition of Valence

1. The number of binding sites on a molecule. A number which reflects an element's ability to combine with other elements The number of antigen binding sites an antibody has, or the number of antigenic determinants an antigen has (09 Oct 1997)

Valence Pictures

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Lexicographical Neighbors of Valence

valanced
valancelike
valances
valancing
valdecoxib
vale
vale of tears
valediction
valedictions
valedictorian
valedictorians
valedictories
valedictory
valedictory address
valedictory speaker
valence (current term)
valence band
valence bond
valence electron
valence electrons
valence isomer
valence issue
valence shell
valencene
valences
valencias
valencies
valency
valenki
valent

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