Etymology

From Latin ūnus ‎(“one”) (twice) + octō ‎(“eight”) + -io ‎(“-ium”), after the element’s atomic number 118.

Pronunciation

• (Brazil) IPA^(key): /ˌu.nu.ˈnɔ.t͡ʃi.u/, /ˌu.nu.ˈnɔ.t͡ʃju/
• (South Brazil) IPA^(key): /ˌu.nu.ˈnɔ.t͡ʃi.o/, /ˌu.nu.ˈnɔ.t͡ʃjo/
• Hyphenation: u‧nu‧nóc‧ti‧o