noun
Meaning 1
The eighth part of a circle; an arc of 45 degrees.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Standard Lemma guide
octant
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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noun
Meaning 2
The aspect of two planets that are 45°, or one-eighth of a circle, apart.
Definition source: English Wiktionary via Wiktextract
Topics: astrology, human-sciences, mysticism, philosophy, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
noun
Meaning 3
The eighth part of a disc; a sector of 45 degrees; half a quadrant.
Definition source: English Wiktionary via Wiktextract
Topics: geometry, mathematics, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
noun
Meaning 4
An instrument for measuring angles, particularly of elevation.
Definition source: English Wiktionary via Wiktextract
Topics: nautical, transport
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
noun
Meaning 5
a measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: measuring instrument, measuring system, measuring device
History
Etymology
From Latin octāns. Doublet of Octans.
Across languages
Translations
13 source translations are retained for this English entry.
- Arabic: ثُمْن (ṯumn) — nautical instrument
- Arabic: ثُمُن (ṯumun) — nautical instrument
- Bulgarian: октант (oktant) — nautical instrument
- Dutch: octant — nautical instrument
- Finnish: oktantti — nautical instrument
- Galician: octante — nautical instrument
- Italian: ottante — nautical instrument
- Japanese: 八分儀 (hachibungi) — nautical instrument
- Russian: окта́нт (oktánt) — nautical instrument
- Swedish: kvadrant — nautical instrument
- Swedish: oktant — nautical instrument
- Turkish: oktant — nautical instrument
- Ottoman Turkish: اوقتانت (oktant) — nautical instrument