octavalent 八價的
oc·ta·va·lent /ˌɑktəˈvelənt/ 形容詞 八價的
Oc·tav·a·lent a. Chem. 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. ◄ ►