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Plural of: The point in the orbit of a planet or comet at which it is nearest to the sun.

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Usage examples (19)
  • As it looks now, you would think there are two perihelia and two aphelia...
  • Nibiru, should be somewhere 1,5billion km from us because it's proximity to perihelia, circa as far as Saturn.
  • The sun on the center of your screen, on the very left edge of your screen, that's what we like to call a sun dog or a perihelia.
  • Considered from a scientific point of view, some of the gravest errors into which the author has fallen are the suppositions, that the perihelia and nodes of the...
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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.