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Definition of quadrant noun from the Oxford Advanced Learner's Dictionary

quadrant

noun
 
/ˈkwɒdrənt/
 
/ˈkwɑːdrənt/
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  1. (geometry) a quarter of a circle or of its circumference (= the distance around it)
  2. an instrument for measuring angles, especially to check your position at sea or to look at stars
    3. Word Originlate Middle English (denoting the astronomical instrument): from Latin quadrans, quadrant- ‘quarter’, from quattuor ‘four’.
See quadrant in the Oxford Advanced American DictionarySee quadrant in the Oxford Learner's Dictionary of Academic English
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