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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - A very light colorless element that is one of the six inert gasses.

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Usage examples (37)
  • A fascinating application of superfluidity in helium-3
  • The name helium comes from Helios which means sun in Greek.
  • Robert C. Richardson for their discovery of superfluidity in helium-3.
  • (Ground-supplied helium is used pre-launch to keep the tank pressurized.)
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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.