monochromator

[mon-uh-kroh-mey-ter]

mon·o·chro·ma·tor

[mon-uh-kroh-mey-ter]
noun Optics.
a spectroscope with a slit that can be moved across the spectrum for viewing individual spectral bands.
Also called monochromatic illuminator.


Origin:
1905–10; monochromat(ic) + (illuminat)or
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Monochromator has a plethora of syllables.
So is cyclotrimethylenetrinitramine. Does it mean:
opposition to the withdrawal of state support or recognition from an established church, esp. the Anglican Church in 19th-century England.
a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells.
Collins
World English Dictionary
monochromator (ˌmɒnəʊˈkrəʊmeɪtə)
 
n
physics a device that isolates a single wavelength of radiation

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Encyclopedia Britannica
Encyclopedia

monochromator

instrument that supplies light of one colour or light within a narrow range of wavelengths. Unwanted wavelengths (colours) are blocked by filters (first used by Bernard Lyot in the 1930s) or bent away, as in the spectroheliograph. The monochromator is used to photograph the Sun and to study photochemical effects; it is usually a component of a spectrophotometer.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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