prism

英 [ˈprɪzəm]

美 [ˈprɪzəm]

n.  棱柱体; 棱柱; 棱镜; 三棱镜

复数：prisms　

CET6TEM8化学

BNC.21115 / COCA.13056

牛津词典

noun

• 棱柱体；棱柱
  a solid figure with ends that are parallel and of the same size and shape, and with sides whose opposite edges are equal and parallel
• 棱镜；三棱镜
  a transparent glass or plastic object, often with ends in the shape of a triangle, which separates light that passes through it into the colours of the rainbow

柯林斯词典

• 棱镜
  Aprismis a block of clear glass or plastic which separates the light passing through it into different colours.
• N-COUNT 曲解；扭曲
  If you see something through aprism ofsomething such as time or memory, your idea of it is affected by that thing.
  1. Through the smoky prism of time, I could just barely make out my father as a young man.
     时间模糊了记忆，我几乎想不起父亲年轻时的样子。

英英释义

noun

• optical device having a triangular shape and made of glass or quartz
  Synonym:optical prism
• a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms

双语例句

• A telescopic device is used in conjunction with the prism.
  棱镜与望远镜配合使用。
• Dispersion characteristics of fused quartz prism and its applications in solid-state lasers
  熔石英棱镜的色散特性和在固体激光器中的应用
• You can think of the prism making a rainbow spectrum when you shine light through it.
  你可以想象一下，当光线射穿棱镜的时候，棱镜会发出五彩缤纷的光谱。
• For small numbers of boards, components can be positioned using a prism location machine.
  对于少量的板，元件可以用一个棱镜定位仪来完成定位工作。
• What you would be measuring is the volume of a prism with base r and height one.
  你要测量的是，底面积为r高为1的棱柱的体积。
• The prism separated the beam of sunlight into the colors of a rainbow.
  三棱镜把阳光分成了彩虹的颜色。
• The pyramid prism array includes a plurality of pyramid units, and each pyramid unit provides a cone-shaped surface;
  角锥棱镜阵列包括多个角锥单元，每一角锥单元提供一锥状表面。
• And if the prism is of sufficient dimension that angle can be magnified.
  如果这个棱镜有多个面，可以把角度也放大。
• Influence of the Refractive Index of Prism on the Optical Acceleration
  棱镜折射率对光学加速作用的影响分析
• The methods for selecting penta prism and reducing the effect of surface profile error on detection are introduced.
  介绍了选择五棱镜的方法和减小面形误差影响的方法。