LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

radium

radium n (genitive radiī)
Classical[ˈra.di.ũː]Ecclesiastical[ˈraː.di.um]

Meaning

  1. New LatinScientific Latinneuterradium
  2. accusativeneutersingularaccusative singular of radius

Declension

declension
formsingularplural
nominativeradiumradia
genitiveradiīradiōrum
dativeradiōradiīs
accusativeradiumradia
ablativeradiōradiīs
vocativeradiumradia

Origins

The sense of the element came from the French creation radium, from radio(actif) + -ium.

Quick answers

What does radium mean in Latin?
radium, a noun, means “radium; accusative singular of radius”.
What is the genitive of radium?
The genitive singular is radiī. radium is neuter, second declension.
How do you pronounce radium?
In classical Latin, [ˈra.di.ũː]; in ecclesiastical (church) Latin, [ˈraː.di.um].