quadrant

1. One of the four sections made by dividing an area with two perpendicular lines.

   квадра́нтkvadránt

   the area enclosed by two perpendicular radii of a circle

2. One of the four regions of the Cartesian plane bounded by the x-axis and y-axis.

   Quadrant

   квадра́нтkvadránt

3. One fourth of a circle or disc; a sector with an angle of 90°.

   квадра́нтkvadránt

4. A measuring device with a graduated arc of 90° used in locating an altitude.

   Quadrant

   квадра́нтkvadránt

   a measuring instrument for measuring altitude of heavenly bodies

5. One of the four categories of team wins and losses, as categorized by strength of schedule.

6. (устаревшее)A square or quadrangle.

1. Before astronomers had telescopes, they could only use quadrants to map objects in the sky.

   До того, как у астрономов появились телескопы, они могли только пользоваться квадрантами, чтобы составлять карту неба.

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2. The liver is in the upper right quadrant of the abdomen.

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3. I gave Tom a quadrant.

   deIch habe Tom einen Quadranten gegeben.

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4. A quadrilateral with all positive abscissas but all negative ordinates would fall into quadrant IV of the Cartesian coordinate plane.

   deEin Viereck mit lauter positiven Abszissen, aber negativen Ordinaten liegt in der kartesischen Koordinatenebene im IV. Quadranten.

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5. Brahe invented many instruments such as the Tyconian Quadrant which were widely copied and led to the invention of improved observational equipment.

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