Definition of septivalent in English:

septivalent

adjective

Chemistry
  • another term for heptavalent
    • ‘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.’

Pronunciation:

septivalent

/ˌsɛptɪˈveɪl(ə)nt/