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BNC: 17036 COCA: 15633

quadrant

Word family
Related topics: Maths, Astronomy, Water
quad·rant /ˈkwɒdrənt $ ˈkwɑː-/ noun [countableC]  
1. AAHMa quarter of a circle 四分之一圆();九十度弧5 see picture at 见图 circle1
2. HATTWan instrument for measuring angles, used when sailing or looking at the stars 〔航海或观星时用的〕象限仪
Examples from the Corpus
Origin quadrant
(1300-1400) Latin quadrans fourth part
quad·rant noun
Chinese
Syllable
Corpus

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