apoapsis apoaconitine • apoatropine · · · Info · Definitions · Synonyms · Antonyms · Characters · · apoapsis · · Text Latin · · Script 8 · · Length 3 · · Syllables Definitions · · · (noun) (astronomy) the point in an orbit farthest from the body being orbited. Synonyms: point of apoapsis. · · Noun Definition 1 Synonyms · · · point of apoapsis · · Synonym 1 Antonyms · · · periapsis · · Antonym 0 point of periapsis · · Antonym 1 Characters · · a latin small letter a U+0061 i latin small letter i U+0069 o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073