Word
point of periapsis, n.
(astronomy) the point in an orbit closest to the body being orbited
<noun.location>
periapsis
point of periapsis
lexical pointers
antonym
apoapsis
lexical pointers
antonym
point of apoapsis
semantic pointers
domain of synset (topic)
astronomy, uranology
hypernym
celestial point
part holonym
orbit, celestial orbit
hyponym
perigee
perihelion
perijove
periselene, perilune