spectral luminous efficiency

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noun

a measure of the efficiency of radiation of a given wavelength in producing a visual sensation. It is equal to the ratio of the radiant flux at a standard wavelength to that at the given wavelength when the standard wavelength is chosen so that the maximum value of this ratio is unitySymbol: V ( λ ) ((for photopic vision)), V′ ( λ ) ((for scotopic vision))

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Words nearby spectral luminous efficiency

Spector, spectra, Spectracef, spectral, spectral line, spectral luminous efficiency, spectral series, spectral type, spectra yellow, spectre, spectrin

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

How to use spectral luminous efficiency in a sentence

And increasingly smart navigation aids in the cockpit brought far greater precision and efficiency to route planning.
Flight 8501 Poses Question: Are Modern Jets Too Automated to Fly?|Clive Irving|January 4, 2015|DAILY BEAST
His stories were constructed with ruthless narrative efficiency.
Can Tarzan of the Apes Survive in a Post-Colonial World?|Ted Gioia|November 23, 2014|DAILY BEAST
This was the most sophisticated global tracking system ever devised, and it worked with lethal efficiency.
How the NSA Became a Killing Machine|Shane Harris|November 9, 2014|DAILY BEAST
There he claims he saw a luminous object change colors several times then vanish into the night sky.
1980: America’s First Extraterrestrial Election||October 15, 2014|DAILY BEAST

Second,” said Sen. Paul, “is the Milton Friedman efficiency argument.
My Coffee Klatch With Rand Paul|P. J. O’Rourke|September 27, 2014|DAILY BEAST
Can there be any comparison between the educational efficiency of the two methods?
The Salvaging Of Civilisation|H. G. (Herbert George) Wells
An estimation of the solids, therefore, furnishes an important clue to the functional efficiency of the kidneys.
A Manual of Clinical Diagnosis|James Campbell Todd
Is the college stage of our present educational system anywhere near its maximum possible efficiency?
The Salvaging Of Civilisation|H. G. (Herbert George) Wells
The red glow was so brilliant that the whole river was tinged and made luminous by it.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
What a spectral and exaggerated shape all things take in her scared and over-excited gaze!
Checkmate|Joseph Sheridan Le Fanu