neptwniwm

Welsh

Chemical element
Np
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Next: plwtoniwm (Pu)

Etymology

Borrowed from English neptunium, from English Neptune, from Latin Neptūnus, therefore possible cognate with Welsh nef (“heaven”).

Pronunciation

  • IPA(key): /nɛpˈtʊnjʊm/
  • Rhymes: -ʊnjʊm

Noun

neptwniwm m (uncountable, not mutable)

  1. neptunium
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