noun (rfc-level, Noun at L4+ not in L3 POS section)
Etymology: From valentia.The etymology of the word "valence" is from 1425, meaning "extract, preparation," from Latin valentia "strength, capacity," and the chemical meaning referring to the "combining power of an element" is recorded from 1884, from German Valenz.<ref>http://www.etymonline.com/index.php?search=valence&searchmode=none Valence - Online Etymology Dictionary.</ref>
- (linguistics) The number of arguments that a verb can have (e.g. intransitive verbs only have one, transitive verbs have two, etc).
- (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
- (chemistry) The number of binding sites of a molecule, such as an antibody or antigen
- (psychology) A one-dimensional value assigned to an object, situation, or state, that can usually be positive or negative
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Full Definition of valence