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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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hypothetical form of matter invisible to electromagnetic radiation, postulated to account for gravitational forces observed in the universe

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Usage examples (35)
  • Title: Earth-mass dark-matter haloes as the first structures in the early Universe
  • Within the new model, dark-matter is deductively shown to be migrating mini and micro black-holes (MBH).
  • In the meantime, such a squashed dark-matter halo is one of the best explanations for the observed data.
  • Anti-neutrino pulse to clear the way for a gigantic interstellar dark-matter tentacled spacesquid/CThuluBeast….. plz?
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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.