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diameter

英 /daɪˈæmɪtə(r)/美 /daɪˈæmɪtər/
  • n.
    直径；放大倍数
复数diameters
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词语例句

  1. 直径n.

    六级

    • The dome is 42.3 metres in diameter.

      这个穹顶直径为42.3米。

    • The microscope can magnify the object 100 times in diameter.

      这架显微镜能把物体的直径放大100倍。

  2. 放大倍数cn.

    • As a birthday gift, I received a microscope magnifying 400 diameters.

      我收到了一台能放大400倍的显微镜作为生日礼物。

  1. The dome is 42.3 metres in diameter.
    这个穹顶直径为42.3米。
    来自《牛津词典》
  2. It turns out that the diameter is actually 2.5 centimeters.
    它的直径实际上是 2.5 厘米。
  3. The microscope can magnify the object 100 times in diameter.
    这架显微镜能把物体的直径放大100倍。

相关短语

  • nominal diameter
    公称直径；公称通径；标称直径；称直径
  • outside diameter
    外径；外直径；壁厚
  • pitch diameter
    节圆直径；节径；中径；分度圆直径
  • inside diameter
    内径；内部直径；内直径；内径尺寸
  • angular diameter
    角直径；角径

同根词

adj.
diametrical直径的；正好相反的；截然的
diametral直径的
diametric直径的；正相反的
adv.
diametrically完全地；作为直径地；直接地；正好相反地
n.
diam直径

词义分布

直径
84.8%
径
15%
通径
0.2%

英英释义

  • n.the length of a straight line passing through the center of a circle and connecting two points on the circumference
  • n.a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
  1. n.
    the length of a straight line that can be drawn across a round object, passing through the middle of it
    直径
    • The tube is much smaller than the diameter of a human hair.
      这个导管比头发丝还要细很多。

词源

  • diameter直径
    dia-, 穿过。-meter, 测量。用于数学名词直径。
  • diameter直径
    词根词缀： dia-通过,横过 + -meter-测量,仪表