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apastron: Meaning and Definition of

ap•as•tron

Pronunciation: (u-pas'trun, -tron), [key]
— pl. -tra
  1. the point at which the stars of a binary system are farthest apart (opposed to periastron).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
apast apatetic
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