We've found 4 phrases for valence (0.116 seconds):

bridge »    A valence bond, atom or chain of atoms that connects two different parts of a molecule; the atoms so connected being bridgeheads.

factor space »    A space obtained from another by identification of points that are equivalent to one another in some equivalence relation.

one and the same »    The same person or thing. Used to emphasize the identity or equivalence of two things.

up to »    Considering all members of an equivalence class the same.

BTW, Why won't you become an editor?