radium
2 synonyms and 0 antonyms for radium, grouped by meaning and by how common each one is.
Noun — A rare, highly radioactive metallic chemical element (symbol Ra).
Synonyms
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use radium
The word patterns that sound natural to a native speaker.
Etymology
Borrowed from French radium, built from "radio(actif)" ("radioactive") plus the element-naming suffix "-ium".
Full origin of radium →Frequently asked questions
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".