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monochromator

American  
[mon-uh-kroh-mey-ter] / ˌmɒn əˈkroʊ meɪ tər /

noun

Optics.

  1. a spectroscope with a slit that can be moved across the spectrum for viewing individual spectral bands.

monochromator British  
/ ˌmɒnəʊˈkrəʊmeɪtə /

noun

  1. physics a device that isolates a single wavelength of radiation

"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

Etymology

Origin of monochromator

First recorded in 1905–10; monochromat(ic) + (illuminat)or

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.