monochromator

[ mon-uh-kroh-mey-ter ]

noun

, Optics.

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

monochromator

/ ˌmɒnəʊˈkrəʊmeɪtə /

noun

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

Word History and Origins

Origin of monochromator¹

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