perigee

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Tonight, the moon will be near the closer end of the ellipse, a spot known as the perigee.

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Definitions (4)

Toggle American Heritage definitions American Heritage Dictionary (2)

  1. noun The point nearest the earth's center in the orbit of the moon or a satellite.
  2. noun The point in any orbit nearest to the body being orbited.

Toggle Century definitions Century Dictionary (1)

Toggle GNU Webster definitions GNU Webster's 1913

Toggle WordNet definitions WordNet (1)

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Examples (43)

  • After lifting out of perigee, the ring would clear the lunar horizon and hit her and Loránd before she could even catch the streak on her retina. —  Asimov's SF - February2006
  • The calculated speed change depends on many factors, particularly the altitude at perigee, the inclination of the plane of the trajectory, and the speed of the Earth's gravity field. —  CiteULike: Everyone's library
  • The moon will also be at perigee (its closest point to Earth) on this day, at 6: 00 a.m. —  Bisaya Bloggers
  • Saturday night (Jan. 10) the moon will be at perigee, the closest point to us on this orbit. —  Bisaya Bloggers
  • Tonight, the moon will be near the closer end of the ellipse, a spot known as the perigee. —  Scientific American
 

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Etymologies (2)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. French périgée, from Medieval Latin perigēum, from Late Greek perigeion : Greek peri-, peri- + Greek , earth.

Toggle Century etymologies Century Dictionary (1)

  1. = French périgée = Spanish Portuguese Italian perigeo, from New Latin perigeum (cf. Greek περίγειος, around the earth), from Greek περί, near, around, + γῆ, the earth. Cf. apogee.
 

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/ˈpɛrɪdʒi/
by American Heritage

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