plural of valency

(chemistry, medicine, obsolete) An extract; a preparation, now especially one effective against a certain number of strains of a pathogen.

Alternative spelling of valance

A city and commune, the capital of the Drôme department, in the Auvergne-Rhône-Alpes region, in southeastern France.

(graph theory) The number of edges connected to a vertex in a graph. / (especially chemistry) Valence. / (linguistics) The capacity of a verb to take a specific number of arguments.

plural of valence

(psychology) Having a (often specified type of) value

(chemistry) in a coordination compound, the number of negative ions needed to satisfy the charge on the central metal ion

(chemistry) in a coordination compound, the number of ions or molecules that are coordinated to the central metal ion; its coordination number

(chemistry) the outermost shell of electrons in an atom; these electrons take part in bonding with other atoms