• Definition for "octant"
  • Sentence for "octant"
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octant definition

  • noun:
    • One eighth of a circle.
    • A 45° arc.
    • the location enclosed by two radii at a 45° direction while the intersected arc.
    • An instrument in line with the principle regarding the sextant but employing just a 45° angle, utilized as an aid in navigation.
    • Astronomy the positioning of a celestial body when it is divided from another by a 45° direction.
    • certainly one of eight components into which three-dimensional space is divided by three typically perpendicular coordinate airplanes.
    • The eighth section of a circle; an arc of 45 levels.
    • : The eighth section of a disc; a sector of 45 levels; half a quadrant.
    • : a musical instrument for calculating perspectives, particularly of height.
    • The 8th section of a circle; an arc of 45 levels.
    • The position or element of a heavenly human body, as moon or a planet, when half-way between conjunction, or resistance, and quadrature, or distant from another human anatomy 45 degrees.
    • 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.
    • among the eight parts into which a place is split by three coördinate airplanes.
    • The eighth element of a circle.
    • In astronomy, that position or aspect of two heavenly bodies, especially a planet and the sun, when half-way between conjunction or opposition and quadrature, or distant from one another by the eighth part of a circle, or 45°.
    • a guitar employed by seamen for measuring sides, resembling a sextant or quadrant in principle, but having an arc the eighth element of a circle, or 45°. By dual representation it can measure an arc of 90°. See sextant. Hadley's quadrant is truly an octant.
    • Each of the eight areas into which room is split by three copunctal non-costraight planes.
    • a measuring tool for calculating perspectives to a celestial body; just like a sextant however with 45 level calibration
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