WordNet: periapsis, point of periapsis
(astronomy) the point in an orbit closest to the body being orbited
- domain: topic astronomy, uranology
- hypernym celestial point
- hyponym perigee
- hyponym perihelion
- hyponym perijove
- hyponym perilune, periselene
- part holonym celestial orbit, orbit
periapsis
point of periapsis
- (englanti) point of apoapsis (antonym)
- (suomi) periapsis (synonyymi)