QUADRANT


Meaning of QUADRANT in English

transcription, транскрипция: [ ˈkwä-drənt ]

noun

Etymology: Middle English, from Latin quadrant-, quadrans fourth part; akin to Latin quattuor four — more at four

Date: 15th century

1.

a. : an instrument for measuring altitudes consisting commonly of a graduated arc of 90 degrees with an index or vernier and usually having a plumb line or spirit level for fixing the vertical or horizontal direction

b. : a device or mechanical part shaped like or suggestive of the quadrant of a circle

2.

a. : an arc of 90 degrees that is one quarter of a circle

b. : the area bounded by a quadrant and two radii

3.

a. : any of the four parts into which a plane is divided by rectangular coordinate axes lying in that plane

b. : any of the four quarters into which something is divided by two real or imaginary lines that intersect each other at right angles

• qua·dran·tal kwä-ˈdran-t ə l adjective

[

quadrant 2

]

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.