Etymology of the English word radium
the English word
radiumderived from the Latin word
radius (rod, spoke; ray; rod)
using the Latin suffix
-iumDate
The earliest known usage of radium in English dates from the 20th century.
Derivations in English
radon,
rnCognates
Dutch
radium, French
radium, German
Radium, Icelandic
radíum, Swedish
radiumUsage
Word found in Modern English