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Definition of Sextant in English :

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Sextant

see synonyms of sextant

Noun

1. sextant

a unit of angular distance equal to 60 degrees

2. sextant

a measuring instrument for measuring the angular distance between celestial objects; resembles an octant

WordNet Lexical Database for English. Princeton University. 2010.

Sextant

see synonyms of sextant
noun
1. 
an optical instrument used in navigation and consisting of a telescope through which a sighting of a heavenly body is taken, with protractors for determining its angular distance above the horizon or from another heavenly body
2. 
a sixth part of a circle having an arc which subtends an angle of 60°

Collins English Dictionary. Copyright © HarperCollins Publishers

Sextant

see synonyms of sextant
noun
an instrument used by navigators for measuring the angular distance of the sun, a star, etc. from the horizon, as in finding the position of a ship

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Sextant

see synonyms of sextant
n.
1. A navigational instrument containing a graduated 60-degree arc, used for measuring the altitudes of celestial bodies for use in determining the latitude and longitude of the observer.
2. Sextant See Sextans.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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