D defs.my
Entry 1 sense Webster, 1913

Octavalent

· Oc·tav·a·lent · IPA
01 a. Having a valence of eight; capable of being combined with, exchanged for, or compared with, eight atoms of hydrogen; -- said of certain ato…
  1. 1.
    Having a valence of eight; capable of being combined with, exchanged for, or compared with, eight atoms of hydrogen; -- said of certain atoms or radicals.(Chem.)