quadrant

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Maths, Astronomy, Water

quad·rant /ˈkwɒdrənt $ ˈkwɑː-/ noun [countable]  1. AAHMa quarter of a circle 四分之一圆(周)；九十度弧 →5 see picture at 见图 circle12. 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

quadrant• In the first grid fill in each quadrant with the appropriate work activities in your present position.• Each quadrant of the labyrinth comprises four main meanders.• Curves which are monotonic and contain only one bend can be thought of as one of the four quadrants of a circle.• The four quadrants are no longer symmetrical.• In the early eve-ning, just as the stars were coming out, he would often pull out his quadrant and compass.• He tried dividing the lake into quadrants, carefully inspecting each quadrant.• I probably made do by blunting a good deal of what I saw and navigating with intuitive quadrants.• the town's southwest quadrant• The other three quadrants are the same, as for J 2.Origin quadrant (1300-1400) Latin quadrans “fourth part”

quad·rant nounChineseSyllable  

circle a of quarter Corpus a

quadrant
quad‧rant /ˈkwɒdrənt $ ˈkwɑː-/ noun [countable]1. a quarter of a circle
2. an instrument for measuring angles, used when sailing or looking at the stars

quad·rantBrE /ˈkwɒdrənt/ 🔊NAmE /ˈkwɑːdrənt/ 🔊 noun

(geometry 几何) a quarter of a circle or of its circumference (= the distance around it) 四分之一圆（或圆周）；象限an instrument for measuring angles, especially to check your position at sea or to look at stars 象限仪，四分仪（常用于测量海上方位或观看星辰）