prism

美 [ˈprɪzəm]
英 [ˈprɪz(ə)m]
  • n.棱镜;三棱镜;〔物〕〔化〕棱镜;棱柱形河槽
  • 网络三棱柱;棱柱体;角柱
复数:prisms  
prism
n.
1.
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
2.
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

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