monochromator

American

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

noun

Optics.

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

monochromator British

/ ˌmɒnəʊˈkrəʊmeɪtə /

noun

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