PERIGEE

perigee

(noun) periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth

Source: WordNet® 3.1


Etymology

Noun

perigee (plural perigees)

(astronomy) The point, in an orbit about the Earth, that is closest to the Earth: the periapsis of an Earth orbiter.

(astronomy, more generally) The point, in an orbit about any planet, that is closest to the planet: the periapsis of any satellite.

(possibly, archaic, outside, astrology) The point, in any trajectory of an object in space, where it is closest to the Earth.

Antonyms

• apogee

Hyponyms

• proxigee

Source: Wiktionary


Per"i*gee, Per`i*ge"um, n. Etym: [NL. perigeum, fr. Gr. périgée.] (Astron.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

25 December 2024

UNAMBIGUOUS

(adjective) having or exhibiting a single clearly defined meaning; “As a horror, apartheid...is absolutely unambiguous”- Mario Vargas Llosa


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