bn:00058605n
Noun Concept
Categories: Celestial navigation, Astronomical instruments, Angle measuring instruments, Navigational equipment
EN
octant  Hadley's quadrant  Hadley octant  Newton's reflecting quadrant  reflecting quadrant
EN
A measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration WordNet 3.0
English:
instrument
Definitions
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EN
A measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration WordNet 3.0 & Open English WordNet
The octant, also called a reflecting quadrant, is a reflecting instrument used in navigation. Wikipedia
Measuring instrument used primarily in navigation; type of reflecting instrument Wikidata
An instrument for measuring angles, particularly of elevation. Wiktionary
Nautical instrument. Wiktionary (translation)
WordNet 3.0 & Open English WordNet
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Wikipedia
Wikidata
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Wiktionary
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