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bn:00058605n
Noun Concept
Categories: Astronomical instruments, Celestial navigation, Navigational equipment, Angle measuring instruments
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
Relations
Sources
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)
IS A
measuring instrument
navigational instrument
reflecting instrument
astronomical instrument
HAS PART
limb
DESCRIBED BY SOURCE
Brockhaus and Efron Encyclopedic Dictionary
DISCOVERER OR INVENTOR
John Hadley
Thomas Godfrey
REPLACED BY
sextant
REPLACES
astrolabe
WordNet 3.0 & Open English WordNet
EN
octant
Wikipedia
EN
octant (instrument)
Wikidata
EN
octant
Wiktionary
EN
octant
Wikipedia Redirections
EN
Hadley's quadrant, Hadley octant, Newton's reflecting quadrant
Wikidata Alias
EN
reflecting quadrant

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