Definition of periapsis

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  • periapsis is a valid Scrabble US word with a point value of 13
  • periapsis is a valid Scrabble UK word with a point value of 13
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Definition of periapsis

  • (astronomy) the point in an orbit closest to the body being orbited (noun)

    Synonyms

    1. point of periapsis

See definition of periapsis in Merriam Webster