The Collaborative International Dictionary
Quantivalence
Quantivalence \Quan*tiv"a*lence\, n. [L. quantus how much + E. valence.] (Chem.) Valence. [Archaic]
Wiktionary
quantivalence
n. (context chemistry English) valence; the atomic or combining power of an element or radical expressed in terms of the number of atoms of hydrogen with which it will unite.