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Definition of "occultation" []

  • The act of occulting or the state of being occulted. (noun)
  • Astronomy The passage of a celestial body across a line between an observer and another celestial object, as when the moon moves between Earth and the sun in a solar eclipse. (noun)
  • Astronomy The progressive blocking of light, radio waves, or other radiation from a celestial source during such a passage. (noun)
  • Astronomy An observational technique for determining the position or radiant structure of a celestial source so occulted: a lunar occultation of a quasar. (noun)
  • The temporary disappearance of one celestial body as it moves out of sight behind another body (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • The act of occulting or the state of being occulted (noun)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "occultation" in a sentence
  • "Astronomers refer to this phenomenon as an "occultation," taken from the Latin word occultÄre, which means "to conceal.""
  • "Essentially, this so-called occultation passed the shadow of Eris over the Earth."
  • "This bending will cause the apparent occultation, that is, going behind the planet, to occur later than otherwise expected, and to exit from occultation prior to when otherwise expected."