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uranium
noun
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How to pronounce uranium:

Definition of uranium:

uranium (noun):
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons.
a silvery heavy radioactive polyvalent metallic element that is found especially in uraninite and exists naturally as a mixture of mostly nonfissionable isotopes see chemical elements table

Synonyms for uranium:

metal

Antonyms for uranium:

petroleum

Other 4-syllable words like uranium

Here are some other common words that have 4 syllables, like uranium does.

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