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diameter  
添加到生字笔记
KK:[daɪˈæmǝtɚ] DJ:[daiˈæmitǝ]
  • n. 直径;倍

名复: diameters  


n.[C]

  1. 直径
  2. 倍(透镜等的放大单位)

派生

a.

diametral

辨析

同义:

n.直径

breadth width thickness inside diameter calibre

反义:

n.“直径;倍”的反义词

radius

以上来源于:《英汉大辞典》

/dʌɪˈamɪtə/

n.

  1. a straight line passing from side to side through the centre of a body or figure, especially a circle or sphere.
    ▸a transverse measurement of something; width or thickness.
  2. a unit of linear measurement of magnifying power.

Derivative

  • diametral adj.

Etymology

ME: from OFr. diametre, via L. from Gk diametros (grammē) ‘(line) measuring across’.

以上来源于:《简明牛津英语词典》


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