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pericenter

[ per-uh-sen-ter ]

noun

, Astronomy.
  1. the point at which a heavenly body orbiting around a primary other than the earth or sun is closest to the primary.


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Other Words From

  • peri·central peri·centric adjective
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Word History and Origins

Origin of pericenter1

First recorded in 1900–05; peri- + center
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Example Sentences

The plume was present when Europa was near apocenter and was not detected close to its pericenter, in agreement with tidal modeling predictions.

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