Quadrant Definition

kwŏdrənt
quadrants
noun
quadrants
A fourth part of the circumference of a circle; an arc of 90°
Webster's New World
A quarter section of a circle.
Webster's New World
Any of the four areas into which a plane is divided by the reference axes in a Cartesian coordinate system, designated first, second, third, and fourth, counting counterclockwise from the area in which both coordinates are positive.
American Heritage
Any piece or part shaped like a quarter section of a circle.
Webster's New World
Any of the four parts formed by rectangular coordinate axes on a plane surface.
Webster's New World
Synonyms:
  • quarter-circle

Other Word Forms of Quadrant

Noun

Singular:
quadrant
Plural:
quadrants

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

Quadrant Sentence Examples

  • The pilots were all Indians, and they used the forestaff and quadrant for their observations.

  • The first root after zero is thus in the third quadrant, corresponding to m =1.

  • The old method of giving quadrant elevation by clinometer was obviously too slow.

  • Flamsteed, from measurements made in 1689 and succeeding years with his mural quadrant, similarly concluded that the declination of the Pole Star was 40" less in July than in September.

  • In speaking of quadrant elevation a brief reference was made to the necessity for making an allowance for difference of level of gun and target.

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Words Starting With

QQUQUA

Words Ending With

TNTANT

Unscrambles

quadrant

Words Starting With Q and Ending With T

Starts With Q & Ends With TStarts With QU & Ends With TStarts With Q & Ends With NT

Word Length

8 Letter Words8 Letter Words Starting With Q8 Letter Words Ending With T