octavalent

[ ok-tuh-vey-luhnt ]

adjective

, Chemistry.

1. having a valence of eight.

octavalent

/ ˌɒktəˈveɪlənt /

adjective

1. chem having a valency of eight

Word History and Origins

Origin of octavalent¹

First recorded in 1875–80; octa- + -valent