Quadrant meaning

kwŏdrənt
Frequency:
A quarter section of a circle.
noun
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A machine part or other mechanical device that is shaped like a quarter circle.
noun
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The definition of a quadrant is a fourth or quarter portion of a circle.

An example of a quadrant is one slice of pie that's been cut into four equal pieces.

noun
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A fourth part of the circumference of a circle; an arc of 90°
noun
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Any piece or part shaped like a quarter section of a circle.
noun
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An instrument similar to the sextant in design and function, and superseded by it.
noun
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(geom.) Any of the four parts formed by rectangular coordinate axes on a plane surface.
noun
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An arc equal to one quarter of the circumference of a circle; an arc of 90°.
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Any of the four regions into which a plane is divided by the axes of a Cartesian coordinate system. The quadrants are numbered counterclockwise one through four, beginning with the quadrant in which both the x- and y-coordinates are positive (usually the upper right quadrant).
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An early instrument for measuring altitude of celestial bodies, consisting of a 90° graduated arc with a movable radius for measuring angles.
noun
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A navigational instrument similar to a sextant but with an arc of 90° rather than 60°.
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One of the four sections made by dividing an area with two perpendicular lines.
noun
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(mathematics) The four regions of the Cartesian plane bounded by the x-axis and y-axis.
noun
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(geometry) One fourth of a circle or disc; a sector with an angle of 90°.
noun
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(nautical) A measuring device with a graduated arc of 90° used in locating an altitude.
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Origin of quadrant

  • Middle English quarter of a day from Latin quadrāns quadrant- a fourth part kwetwer- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin quadrantem, accusative singular of quadrāns (“fourth part of something, quarter”).

    From Wiktionary