septivalent

or sep·ta·va·lent

[ sep-tuh-vey-luhnt ]

adjective

, Chemistry.

1. having a valence of seven; heptavalent.

septivalent

/ ˌsɛptəˈveɪlənt; ˌsɛptɪˈveɪlənt /

adjective

1. chem another word for heptavalent

Word History and Origins

Origin of septivalent¹

First recorded in 1870–75; septi- + -valent