- another term for heptavalent.More example sentences
- Vanadium oxides that are in the higher oxidation state, e.g. pentavalent and septavalent oxides of vanadium and complexes thereof have melting points from about 1,200° to about 1,300° F.
- In general, manganese ions are found in different valence states from divalent to septavalent.
More definitions of septivalentDefinition of septivalent in:
- The British & World English dictionary