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noun
an astronomical instrument for taking the altitude of the sun or stars and for the solution of other problems in astronomy and navigation: used by Greek astronomers from about 200 b.c. and by Arab astronomers from the Middle Ages until superseded by the sextant.
Origin:
1325–75; Middle English, variant of astrolabie < Medieval Latin astrolabium < Late Greek astrolábion, Greek astrolábon (neuter of astrolábos, adj. used as noun), equivalent to ástro(n) star + lab- (variant stem of lambánein to take, seize) + -on neuter suffix
1325–75; Middle English, variant of astrolabie < Medieval Latin astrolabium < Late Greek astrolábion, Greek astrolábon (neuter of astrolábos, adj. used as noun), equivalent to ástro(n) star + lab- (variant stem of lambánein to take, seize) + -on neuter suffix
Related forms
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.
Cite This Source
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Astrolabe
is always a great word to know.
So is gobo. Does it mean:
| the offspring of a zebra and a donkey. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
Example Sentences
- Astrolabe is clearly approaching this as a nuisance lawsuit and hoping to get an out of court settlement.
- The exhibition includes a reproduction of a mariner's astrolabe.
Collins
World English Dictionary
| astrolabe (ˈæstrəˌleɪb) | |
| —n | |
| Compare sextant an instrument used by early astronomers to measure the altitude of stars and planets and also as a navigational aid. It consists of a graduated circular disc with a movable sighting device | |
| [C13: via Old French and Medieval Latin from Greek, from astrolabos (adj), literally: star-taking, from astron star + lambanein to take] | |
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
Cite This Source
Etymonline
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
astrolabe  (ās'trə-lāb') Pronunciation Key
An ancient instrument used widely in medieval times by navigators and astronomers to determine latitude, longitude, and time of day. The device employed a disk with 360 degrees marked on its circumference. Users took readings from an indicator that pivoted around the center of the suspended device like the hand of a clock. The astrolabe was replaced by the sextant in the 18th century. |
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.
Cite This Source
Word Dynamo Rating For Astrolabe
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