neptunium

noun nep·tu·ni·um \ nep-ˈtü-nē-əm , -ˈtyü- \

Definition of neptunium

: a radioactive metallic element that is chemically similar to uranium and is obtained in nuclear reactors especially as a by-product in the production of plutonium — see Chemical Elements Table

Origin and Etymology of neptunium

New Latin, from International Scientific Vocabulary Neptune


NEPTUNIUM Defined for Kids

neptunium

noun nep·tu·ni·um \ nep-ˈtü-nē-əm , -ˈtyü- \

Definition of neptunium for Students

: a radioactive chemical element similar to uranium

Medical Dictionary

neptunium

noun nep·tu·ni·um \ nep-ˈt(y)ü-nē-əm \

medical Definition of neptunium

: a radioactive metallic element that is chemically similar to uranium and is obtained in nuclear reactors as a by-product in the production of plutonium symbol Np — see Chemical Elements Table

Biographical Note for neptunium

  • Nep*tune play \ˈnep-ˌt(y)ün\ Roman mythological character. Neptune was originally the god of fresh water. Later he became identified with the Greek god Poseidon, a deity of the sea. In art Neptune is usually represented as a bearded man holding a trident and sometimes a fish. The planet Neptune was named after him and the element neptunium was named after the planet.

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