Lexic.us

Definition of Valence

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

2. Noun. (chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent).

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. 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)

Lexicographical Neighbors of Valence

valances valance board valancing Valdez Valdosta vale valediction valedictions valedictorian valedictorians

valedictories valedictory valedictory address valedictory speaker valence (current term) valence (current term) valences valence electron valence electron Valencia

valencias Valencia orange valencies valency valency valent Valentin Valentin's corpuscles Valentin's ganglion Valentin's nerve

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