radium
Radium (noun) means a rare, highly radioactive metallic chemical element (symbol Ra). Example: “Marie Curie won a Nobel Prize for her discovery of radium.”
How to Use Radium
Learner’s notesIn plain EnglishA dangerously radioactive metal element, famous for its role in early radioactivity research.
Word Forms
radiumed past tense, radiums plural, radiums singular
Fill the Gap
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Marie Curie won a Nobel Prize for her discovery of _____.
Etymology
Borrowed from French radium, built from "radio(actif)" ("radioactive") plus the element-naming suffix "-ium".
Synonyms
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Rhymes for radium
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What does “radium” mean?
The word “radium” means a rare, highly radioactive metallic chemical element (symbol Ra). In plain terms, a dangerously radioactive metal element, famous for its role in early radioactivity research.
How do you pronounce “radium”?
“Radium” is pronounced RAY-dih-uhm (/ˈɹeɪ.di.əm/ in IPA).
How do you use “radium” in a sentence?
Here is “radium” used in a sentence: “Marie Curie won a Nobel Prize for her discovery of radium.”
What part of speech is “radium”?
“Radium” is a noun.
Where does the word “radium” come from?
The word “radium” comes from French. Borrowed from French radium, built from "radio(actif)" ("radioactive") plus the element-naming suffix "-ium".
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