ununhexium

Systematic element name, from un- +‎ un- +‎ hex- +‎ -ium.

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ununhexium (uncountable)

2. (dated) The previous systematic element name for livermorium, the chemical element with atomic number 116.

   Alternative form: Uuh (symbol)

   Synonyms: livermorium (current name), Lv (current symbol), eka-polonium (a previous name)

   Coordinate terms: moscovium, Mc (115); tennessine, Ts (117)

ununhexium

1. livermorium

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ununhexium n (uncountable, no diminutive)

1. ununhexium

Derived from ūn(us) (“one”) + ūn(us) + hex(a)- (“six”) +‎ -ium (chemical element suffix), in reference to the element's atomic number (116).

• (Classical Latin) IPA^(key): [uː.nuːˈnɛk.si.ũː]
• (modern Italianate Ecclesiastical) IPA^(key): [u.nuˈnɛk.si.um]

ūnūnhexium n (genitive ūnūnhexiī); second declension

1. (New Latin) ununhexium

Second-declension noun (neuter).

• livermorium