Open Dictionary
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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Usage examples (30)
  • The resulting high concentration of molecular gas can fuel star-formation activity in the circumnuclear region.
  • With this data, we can learn how massive stars form, map galactic spiral arms and make a better estimate of our galaxy's star-formation rate.
  • This is an active star-formation region in the Orion Nebula, as seen By Planck.
  • Very active star-formation is most likely also occurring in the central regions.
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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.