prism

FREQ #24148

n. 棱镜, 棱柱 [化] 棱镜

发音

UK /ˈpɹɪz(ə)m/
UK /ˈpʰɹ̠̊ɪzm̩/
US /ˈpɹɪzəm/

词形变化

prisms 复数 prisms

释义与例句

n.
  1. 1.

    A polyhedron with parallel ends of the same polygonal shape and size, the other faces being parallelogram-shaped sides.

    An object having the shape of a geometrical prism (sense 1).

    数学
  2. 2.

    A polyhedron with parallel ends of the same polygonal shape and size, the other faces being parallelogram-shaped sides.

    A cutting (“open passage at a level lower than the surrounding terrain, dug for a canal, railway, or road to go through”) or an embankment shaped like a prism (sense 1) or a number of prisms, such that its volume can be easily calculated.

    商务 建筑 数学 工程
  3. 3.

    A polyhedron with parallel ends of the same polygonal shape and size, the other faces being parallelogram-shaped sides.

    A crystal in which the faces are parallel to the vertical axis.

    化学 数学
  4. 4.

    A polyhedron with parallel ends of the same polygonal shape and size, the other faces being parallelogram-shaped sides.

    A transparent block in the shape of a prism (sense 1), typically with triangular ends, used to reflect or refract light.

    棱镜

    工程 数学 物理
  5. 5.

    A polyhedron with parallel ends of the same polygonal shape and size, the other faces being parallelogram-shaped sides.

    A transparent block in the shape of a prism (sense 1), typically with triangular ends, used to reflect or refract light.

    A spectrum produced by light being refracted through a prism.

    古体 工程 数学 物理
  6. 6.

    A retroreflector (“device which reflects light back to its source with minimal scattering”) which is usually attached to a surveying pole as a target for a total station which emits a light beam at the device and calculates how long it takes to be reflected back in order to measure distance.

    引申义
  7. 7.

    A perspective that colours one's perception.

    比喻

词汇关系

相关短语

词源

Etymology tree Ancient Greek πρῑ́ω (prī́ō) Proto-Indo-European *-mn̥ Ancient Greek -μᾰ (-mă) Ancient Greek πρίσμᾰ (prísmă)bor. Late Latin prismalbor. English prism Learned borrowing from Late Latin prisma (“(geometry) prism”), from Ancient Greek πρίσμᾰ (prísmă, “anything sawn; sawdust; (Koine, geometry) prism”), from πρῐ́ζω (prĭ́zō) (a variant of πρῑ́ω (prī́ō, “to saw”), further etymology unknown) + -μᾰ (-mă, suffix forming neuter nouns denoting the effect or result of an action, etc.).

来源:wiktionary