Nearby Words
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
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
Related forms
per·i·ge·al, per·i·ge·an, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Perigee
is always a great word to know.
So is event horizon. Does it mean:
| either of the two times a year when the sun is at its greatest distance from the celestial equator that takes place about June 21 and about December 22 |
| the boundary around a black hole on and within which no matter or radiation can escape |
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'gean | |
| —adj | |
| peri'geal | |
| —adj | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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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  (pěr'ə-jē) Pronunciation Key
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The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
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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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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