Looking for the meaning of the word RADIUM in English for both noun and verb forms from the Oxford Dictionary? Below, you can explore all possible meanings and definitions of RADIUM with sentence examples. You can also use the “AUDIO PRONUNCIATION” track to check the correct pronunciation in British English.
Word: Radium
Speech Type: Noun
Etymology:
late 19th century: from Latin radius ‘ray’ + -ium
Audio Pronunciation:
Phonetic Spelling:
ˈreɪdɪəm
Dialects: British English
Definition:
the chemical element of atomic number 88, a rare radioactive metal of the alkaline earth series. It was formerly used as a source of radiation for radiotherapy.
Short Definition:chemical element of atomic number 88
Variant Forms:
- Ra
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