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TOEFL IELTS BNC: 4613 COCA: 5253

diameter

Word family
Related topics: Maths
di·am·e·ter /daɪˈæmɪtə $ -ər/ ●●○ noun [countableC]  
HMHMa straight line from one side of a circle to the other side, passing through the centre of the circle, or the length of this line 直径
3 inches/1 metre etc in diameter
 Draw a circle six centimetres in diameter.
画一个直径为六厘米的圆。
diameter of
 The diameter of the Earth is about 13,000 km.
地球的直径约为13,000公里。
5 see picture at 见图 circle1
Examples from the Corpus
Origin diameter
(1300-1400) Old French diametre, from Greek diametros measure across, from metron measure
di·am·e·ter noun
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