valency

va·len·cy  (vln-s)

n.

Variant of valence.

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valency or esp US & Canad valence

Noun

pl -cies or -ces Chem the number of atoms of hydrogen that an atom or chemical group is able to combine with in forming compounds [Latin valere to be strong]

Thesaurus

Noun	1.	valency - the phenomenon of forming chemical bonds chemical phenomenon - any natural phenomenon involving chemistry (as changes to atoms or molecules)
	2.	valency - (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate valence power, powerfulness - possession of controlling influence; "the deterrent power of nuclear weapons"; "the power of his love saved her"; "his powerfulness was concealed by a gentle facade" biological science, biology - the science that studies living organisms
	3.	valency - (chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent) valence covalence, covalency - valence characterized by the sharing of electrons in a chemical compound; the number of pairs of electrons an atom can share power, powerfulness - possession of controlling influence; "the deterrent power of nuclear weapons"; "the power of his love saved her"; "his powerfulness was concealed by a gentle facade" chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions