American Heritage® Dictionary of the English Language, Fourth Edition
- n. The point nearest the earth's center in the orbit of the moon or a satellite.
- n. The point in any orbit nearest to the body being orbited.
Century Dictionary and Cyclopedia
- n. That point of the moon's orbit which is nearest to the earth: when the moon has arrived at this point, she is said to be in her perigee. Formerly used also for the corresponding point in the orbit of any heavenly body. See
apogee. Also called epigee, apigeum.
- n. astronomy The point, in an orbit about the Earth, that is closest to the Earth: the periapsis of an Earth orbiter.
- n. astronomy, more generally The point, in an orbit about any planet, that is closest to the planet: the periapsis of any satellite.
- n. The point, in any trajectory of an object in space, where it is closest to the Earth.
GNU Webster's 1913
- n. (Astron.) That point, in the orbit of the moon or other body orbiting the earth, which is nearest to the earth; -- opposed to
apogee. It is sometimes, but rarely, used of the nearest points of bodies not orbiting the earth, such as of a comet, a planet, etc. Called also epigee, epigeum.
- n. periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth
- Via Latin perigeum, perigaeum, ultimately from Ancient Greek περί (peri, "near") + γῆ (gē, "Earth"). (Wiktionary)
- French périgée, from Medieval Latin perigēum, from Late Greek perigeion : Greek peri-, peri- + Greek gē, earth. (American Heritage® Dictionary of the English Language, Fourth Edition)
“It's the closest the Moon has been to Earth in 18 years, a point in the orbit otherwise called a "perigee," from Latin for "violating moon restraining order.”
“At midnight she will be in perigee, that is, at her shortest distance from the earth, and at the same moment she will be crossing the zenith.”
“The "anomalistic month" is the time occupied by the moon in travelling from its perigee, that is its point of nearest approach to the earth, round to its perigee again.”
“To-day I became strongly impressed with the idea, that the balloon was now actually running up the line of apsides to the point of perigee -- in other words, holding the direct course which would bring it immediately to the moon in that part of its orbit the nearest to the earth.”
“The nearest point on its orbit from the earth is called perigee and the farthest is called apogee.”
“When the moon is closest to Earth, it is called perigee (compare to apogee, which occurs when the moon is at its most distant point away from Earth).”
“Astronomers call the point of closest approach "perigee," and that is where the Moon will be this weekend.”
“Well! whenever the moon is in a favorable condition as to the zenith, if not to the perigee, that is to say about once a year, could you not send us a shell packed with provisions, which we might expect on some appointed day?””
“When the moon is at its closest, it's at its "perigee," and when it's at its farthest, it's at its”
“Initial orbital parameters are period 101 min, apogee 821 km, perigee 783 km, and inclination 74 deg”
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These come from gamma meditation ,I think.
every major discipline has uniquely developed esoteric nomenclature to facilitate interdisciplinary dissemination
Words used in Astronomy
round or about; nearest
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