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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
diameter• The arms are long and thin, greater than seven times the disk diameter.• When a disc is rolled about a disc of equal diameter, the roller makes two revolutions about its own centre.• In addition, the procedure usually takes longer and an endoscope of a greater diameter is used when biliary stenting is performed.• The belt, however, consists of perhaps forty thousand bodies larger than a kilometer in diameter.• This originally had two large diameter undershot wheels, both of iron construction with timber floats.• He then proceeded to draw a circle of diameter I metre on a flat piece of ground.• For every pebble several possible diameters may be recognized along the three principal axes of the pebble.
Origin diameter
(1300-1400) Old French diametre, from Greek diametros “measure across”, from metron “measure”
di·am·e·ter noun
Chinese
Syllable
Corpus

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