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TOEFL IELTS BNC: 4613 COCA: 5253
diameter
noun [C/U] maths /daɪˈæmɪtə(r)/
singulardiameter
pluraldiameters
  1. a straight line that crosses a circle through the centre, or the length of this line (圆的)直径

    a pipe with a 4-inch diameter 直径4英寸的管子

    in diameter :

    The dome is ten feet in diameter. 这个穹顶的直径是10英尺。

     Synonyms and related words
    Lines and flat surfaces: arc, axis, chord...
TOEFL IELTS BNC: 4613 COCA: 5253
diameter

noun

ADJECTIVE | VERB + DIAMETER | PREPOSITION ADJECTIVEinner, inside, internal內徑The tubes have an internal diameter of 2 mm.管子的內徑是 2 毫米。external, outer, outside外徑large, small大直徑;小直徑VERB + DIAMETERcalculate, determine, estimate, find, measure計算/確認/估計/求得/測量直徑a method of calculating the diameter of the earth計算地球直徑的一種方法increase, reduce增加/縮短直徑have直徑有⋯PREPOSITIONin diameter直徑為⋯The mirror is ten inches in diameter.鏡子的直徑是 10 英寸。
TOEFL IELTS BNC: 4613 COCA: 5253
diameter noun
length

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