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单词 biprism
释义

biprism

[ bahy-priz-uhm ]
/ ˈbaɪˌprɪz əm /

noun Optics.

a triangular prism with an apex angle slightly less than 180°: when illuminated by a point source of light it produces two overlapping beams that form an interference pattern on a screen.
Also called Fresnel biprism.

Origin of biprism

First recorded in 1880–85; bi-1 + prism

Words nearby biprism

bipolar neuron, bipolar transistor, bipolar version, bipotentiality, bippy, biprism, bipropellant, bipyramid, biquadrate, biquadratic, biquarterly
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for biprism

  • In lieu of the biprism, reflectors may be invoked to double the original source of light.

    Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 6|Various

British Dictionary definitions for biprism

biprism
/ (ˈbaɪˌprɪzəm) /

noun

a prism having a highly obtuse angle to facilitate beam splitting
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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更新时间:2024/12/24 1:44:55