photometry
Americannoun
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the measurement of the intensity of light or of relative illuminating power.
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the science dealing with such measurements.
noun
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the measurement of the intensity of light
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the branch of physics concerned with such measurements
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The measurement of the intensity, brightness, or other properties of light.
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Also called photometrics
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See also luminous intensity
Other Word Forms
Etymology
Origin of photometry
From the New Latin word photometria, dating back to 1815–25. See photo-, -metry
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"Our newly created fiber photometry method provides a gateway for understanding the physiology of glia."
From Science Daily ● Dec. 5, 2023
For now the galaxies have only been studied by photometry, with spectroscopic analysis planned for July.
From Scientific American ● Apr. 13, 2023
Curious what the rodents’ brain activity might reveal, Hu and her colleagues turned to a technique called fiber photometry, a kind of brain-imaging and mind-control technique all in one.
From Science Magazine ● Jan. 27, 2023
One of the most tried-and-true methods of exoplanet hunting is called transit photometry, which is basically pointing a telescope at a star and measuring the light when a planet swings past.
From Salon ● Sep. 13, 2022
A photographic photometry of all the lucid stars, modelled on the visual photometry of 1884, is promised from the same copious source of novelties.
From A Popular History of Astronomy During the Nineteenth Century Fourth Edition by Clerke, Agnes M. (Agnes Mary)
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.
