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Radium

6 lettersnounmoderate

Updated June 2026

Definition

A highly radioactive metallic element, symbol Ra, found in trace quantities in uranium ores and historically used in medicine.

Marie Curie's pioneering research led to the discovery of radium and polonium.

Pronunciation

IPA

/ˈreɪ.dɪ.əm/

Syllables

ra·di·um

Related Words

Synonyms

ra

Word Game Tips

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Wordle

Starts RADI and ends -UM, M is the final letter which narrows Wordle guesses

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Scrabble

M (3 pts) at the end boosts value, three vowels (A-I-U) help clear a vowel-heavy rack

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