Plutonium

/pluːˈtoʊniəm/ · noun

Meaning

The transuranic chemical element with atomic number 94 and symbol Pu: a silvery-gray fissile radioactive actinide metal that tarnishes when exposed to air..

Definitions by Sense

1. The transuranic chemical element with atomic number 94 and symbol Pu: a silvery-gray fissile radioactive actinide metal that tarnishes when exposed to air.
2. (countable, historical) Alternative form of ploutonion.

Example Sentences

Plutonium? You mean this sucker's nuclear?

The Samson Option states that Moshe Dayan gave the go-ahead for starting weapon production in early 1968, putting the plutonium separation plant into full operation.

For 75 years, it has fulfilled a wide range of roles: producing weapons-grade plutonium for early atomic weapons in the aftermath of the Second World War; the world's first commercial nuclear power station supplying electricity to the National Grid; reprocessing and storage of nuclear fuel; and the processing of lower grades of radioactive waste for off-site storage.

Synonyms for plutonium

Antonyms for plutonium

Related Words

Word Forms

• plutoniums

Usage Notes

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