diameter

英 [daɪˈæmɪtə(r)]

美 [daɪˈæmɪtər]

n.  直径; 对径; 放大率; 放大倍数

复数：diameters　

CET4CET6考研TOEFLIELTSGRETEM4TEM8医学

Collins.2 / BNC.4613 / COCA.5253

牛津词典

noun

• 直径；对径
  a straight line going from one side of a circle or any other round object to the other side, passing through the centre
  1. the diameter of a tree trunk
     树干的直径
  2. The dome is 42.3 metres in diameter .
     这个穹顶直径为42.3米。
• 放大率；放大倍数
  a measurement of the power of an instrument to magnify sth
  1. a lens magnifying 300 diameters (= making sth look 300 times larger than it really is)
     放大 300 倍的透镜

柯林斯词典

• N-COUNT 直径;对径
  Thediameterof a round object is the length of a straight line that can be drawn across it, passing through the middle of it.
  1. ...a tube less than a fifth of the diameter of a human hair.
     直径不足人的头发直径1/5的电子管
  2. ...a length of 22-mm diameter steel pipe.
     一段直径为 22 毫米的钢管
  3. ...a tiny capsule, between 1 and 3 millimetres in diameter.
     直径在 1到3 毫米之间的微型胶囊

英英释义

noun

• the length of a straight line passing through the center of a circle and connecting two points on the circumference
  Synonym:diam
• 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)

双语例句

• This last error depends on the wire spacing and diameter.
  后者引起的误差取决于导线的距离和直径。
• You can choose Pipe diameter and Form as below.
  您可以选择探头直径和外型如下图所示。
• And the volume of the satellite droplets increases with the initial droplet diameter and the impact velocity.
  且卫星液滴的体积随着初始液滴直径和初始撞击速度的增大而增大；
• Where: Pitch and Diameter are in inches.
  其中：沥青和直径是英寸。
• The bolt hole pattern and outside diameter dimensions were adopted for plastic flanges manufactured in the U.
  用于美国制造的塑料法兰上所采用的螺栓孔模式和外径尺寸。
• This hole was a scant. 23 inches in diameter
  这个洞眼的直径只有0.23英寸。
• Effect of temperature and stirring rate on the diameter and the monodispersity of silica spheres
  温度和搅拌速度对二氧化硅直径和单分散性的影响
• The effect of liquid jet diameter on performance of two-fluid airblast atomizer was investigated in a water-air system.
  采用水-空气系统，研究了液体射流直径对双通道气流式喷嘴雾化性能的影响。
• Remember, we are THE source for Large Diameter Pipe, Heavy Walls and X-Grades.
  请记住，我们的大口径钢管，重墙和X级的源。
• The diameter of a circle must go through the center.
  圆的直径必相交于圆心。