ununennium
1 synonym for ununennium, grouped by meaning and by how common each one is.
Noun — The systematic placeholder name for the chemical element with atomic number 119, which has not yet been discovered.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
eka-francium
How to use ununennium
The word patterns that sound natural to a native speaker.
element 119
the discovery of ununennium
synthesise ununennium
atomic number 119
Ununennium is a technical term used only in chemistry and physics contexts.
Etymology
Ununennium is a systematic element name built from Latin- and Greek-derived numeral roots (un-, un-, enn-) meaning one, one and nine, combined with the standard -ium ending used for element names.
Full origin of ununennium →Frequently asked questions
What is ununennium?
Ununennium is the systematic name for the undiscovered chemical element with atomic number 119.
Has ununennium been discovered?
No, as of now ununennium has not been discovered — it remains a theoretical, as-yet-undiscovered element.
Why is ununennium called that?
Its name is built systematically from roots meaning one, one and nine, reflecting its atomic number 119.
