-enn-

See also: enn, -enn, Enn, Ënn, and ènn

English

Etymology

Reduced form of ennea-, from Ancient Greek ἐννέα (ennéa, “nine”).

Prefix

enn-

2. (chemistry) Used for the digit nine to form systematic element names of elements whose existence has been predicted, and which have not yet been given a trivial name.

   ‎un- (“1”) + ‎un- (“1”) + ‎enn- (“9”) + ‎-ium (element suffix) → ‎ununennium (“element 119”)

Derived terms

English terms prefixed with enn-

unbiennium

untriennium

ununennium