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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - A radioactive transuranic element produced by bombarding plutonium with neutrons.

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Usage examples (6)
  • Don't expect much, after all these are the people behind elements like californium and einsteinium.
  • We are not including words coming from the names of particular people, like einsteinium, watt, curium, henry, and other eponyms: we refer here only to first names that...
  • I really hope that’s just slang and it has a real-sounding name because I’m just now getting used to einsteinium.
  • The chemical element 99, einsteinium
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.