English Explanatory Dictionary

neptunium

English dictionary entry

Meanings

noun
  1. The transuranic chemical element with atomic number 93 and symbol Np.

Pronunciation

nĕptū'nēəm /nɛpˈtjuːniəm/ nĕpto͞o'nēəm /nɛpˈtuːniəm/ LL-Q1860 (eng)-Vealhurl-neptunium.wav LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-neptunium.wav

Word forms

neptunium

Etymology

From Neptune + -ium, after the planet. The previous element is uranium, named after the previous planet: Uranus.

Related words

Neptune Neptunian Neptunianism Neptunism Neptunist neptunite

Derived words

alpha-neptunium beta-neptunium dineptunium gamma-neptunium neptunate organoneptunium
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