apoapsis
nounEtymology From apo- + apsis.
1
Astronomy, Natural sciences The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its maximum.
- Antonyms
- periapsis
- Related terms
- apastron, aphelion, apoareion, apocenter, apocynthion, apocytherion, apogalacticon, apogee, apohermion, apojove, apokrone, apokron, apolune, aponigricon, aposaturnium, aposelene