Definitions for quadrantˈkwɒd rənt

This page provides all possible meanings and translations of the word quadrant

Random House Webster's College Dictionary

quad•rantˈkwɒd rənt(n.)

  1. a quarter of a circle; an arc of 90°.

    Category: Math

  2. the area included between such an arc and two radii drawn one to each extremity.

    Category: Math

  3. something shaped like a quarter of a circle, as a part of a machine.

    Category: Machinery

  4. one of the four parts into which a plane, as the face of a heavenly body, is divided by two perpendicular lines:

    the first quadrant of the moon.

    Category: Astronomy, Math

  5. an instrument, usu. containing a graduated arc of 90°, used in astronomy, navigation, etc., for measuring altitudes.

    Category: Astronomy, Surveying

Origin of quadrant:

1350–1400; ME < L quadrant-, s. of quadrāns fourth part

Princeton's WordNet

  1. quadrant, quarter-circle(noun)

    a quarter of the circumference of a circle

  2. quadrant(noun)

    any of the four areas into which a plane is divided by two orthogonal coordinate axes

  3. quadrant(noun)

    the area enclosed by two perpendicular radii of a circle

  4. quadrant(noun)

    a measuring instrument for measuring altitude of heavenly bodies

Wiktionary

  1. quadrant(Noun)

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

  2. quadrant(Noun)

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

  3. quadrant(Noun)

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

  4. quadrant(Noun)

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

  5. Origin: From quadrantem, accusative singular of quadrans.

Webster Dictionary

  1. Quadrant(noun)

    the fourth part; the quarter

  2. Quadrant(noun)

    the quarter of a circle, or of the circumference of a circle, an arc of 90¡, or one subtending a right angle at the center.

  3. Quadrant(noun)

    one of the four parts into which a plane is divided by the coordinate axes. The upper right-hand part is the first quadrant; the upper left-hand part the second; the lower left-hand part the third; and the lower right-hand part the fourth quadrant

  4. Quadrant(noun)

    an instrument for measuring altitudes, variously constructed and mounted for different specific uses in astronomy, surveying, gunnery, etc., consisting commonly of a graduated arc of 90¡, with an index or vernier, and either plain or telescopic sights, and usually having a plumb line or spirit level for fixing the vertical or horizontal direction.

Freebase

  1. Quadrant

    Quadrant is an Australian literary and cultural journal. Since 1956 it has defended freedom of expression, high culture and the Western tradition. The magazine takes a conservative position on political and social issues, describing itself as sceptical of 'unthinking Leftism, or political correctness, and its "smelly little orthodoxies"'. Quadrant reviews literature, as well as featuring essays on ideas and topics such as politics, history, universities, and the arts. It also publishes poetry and short stories. It is published ten times per year and its current cover price is A$8.50. Keith Windschuttle was appointed Editor in late 2007.

The Nuttall Encyclopedia

  1. Quadrant

    an instrument for taking altitudes, consisting of the graduated arc of a circle of ninety degrees.

The Standard Electrical Dictionary

  1. Quadrant

    A length equal to an approximate earth quadrant, equal to 1E9 centimeters. It has been used as the name for the unit of inductance, the henry, q. v. Synonym--Standard Quadrant.

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