Thesaurus: perigee

Related headwords

Definitions

1. n. Alt. of Perigeum
2. n. periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth
3. That point in the orbit of the moon which is nearest to the earth; -- opposed to Ant: apogee. It is sometimes, but rarely, used of the nearest points of other orbits, as of a comet, a planet, etc. Called also epigee, epigeum.
4. n:100 n. periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth