perigeal

perigee

[per-i-jee]
noun Astronomy.
the point in the orbit of a heavenly body, especially the moon, or of an artificial satellite at which it is nearest to the earth.

Origin:
1585–95; < French perigée < Neo-Latin perigēum, perigaeum < Greek perígeion (sēmeîon limit), neuter of perígeios near, of the earth, equivalent to peri- peri- + -geios, adj. derivative of gaîa, gê the earth

perigeal, perigean, adjective
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Collins
World English Dictionary
perigee (ˈpɛrɪˌdʒiː)
 
n
Compare apogee the point in its orbit around the earth when the moon or an artificial satellite is nearest the earth
 
[C16: via French from Greek perigeion, from peri- + gea earth]
 
peri'gean
 
adj
 
peri'geal
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

perigee
"point at which a celestial body is nearest the Earth," 1594, from Mod.L. perigeum (15c.), from Late Gk. peregeion, used by Ptolemy as a noun, properly neut. of adj. perigeios "near the earth," from peri ges, from peri "near" + ges, gen. of ge "earth."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
perigee  [%PREMIUM_LINK%]     (pěr'ə-jē)  Pronunciation Key 
  1. The point nearest Earth's center in the orbit of the Moon or an artificial satellite.

  2. The point in an orbit that is nearest to the body being orbited. Compare apogee, perihelion.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
perigee [(per-uh-jee)]

The point in the orbit of a satellite at which it is closest to its parent body. (Compare apogee.)

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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