- (Brazil) IPA(key): /ˌɛ.pi.ta.vaˈlẽ.t͡ʃi/, /ˌɛp.ta.vaˈlẽ.t͡ʃi/
- (Brazil) IPA(key): /ˌɛ.pi.ta.vaˈlẽ.t͡ʃi/, /ˌɛp.ta.vaˈlẽ.t͡ʃi/
- (Southern Brazil) IPA(key): /ˌɛp.ta.vaˈlẽ.te/, /ˌɛ.pi.ta.vaˈlẽ.te/
heptavalente m or f (plural heptavalentes)
- (chemistry) heptavalent