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Octant   Listen
noun
Octant  n.  
1.
(Geom.) The eighth part of a circle; an arc of 45 degrees.
2.
(Astron. & Astrol.) The position or aspect of a heavenly body, as the moon or a planet, when half way between conjunction, or opposition, and quadrature, or distant from another body 45 degrees.
3.
An instrument for measuring angles (generally called a quadrant), having an arc which measures up to 9O°, but being itself the eighth part of a circle. Cf. Sextant.
4.
(Math. & Crystallog.) One of the eight parts into which a space is divided by three coordinate planes.






Collaborative International Dictionary of English 0.48








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Words linked to "Octant" :   measuring instrument, limb



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