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English definition of “rectangle”

rectangle

noun [C]     /ˈrektæŋɡl/
a shape with four 90° angles and four sides, with opposite sides of equal length and two sides longer than the other twoGeometrical shapesSpherical, circular and annular objects
rectangular     /rekˈtæŋɡjələr/ adjective B2 shaped like a rectangle: a rectangular roomGeometrical shapesSpherical, circular and annular objects
(Definition of rectangle noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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