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
Derived 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.
They then used images taken with different filters to identify the flux at the peak of the light curve -- a method called photometry.
From Science Daily • Jan. 8, 2024
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
And photo-electric photometry, measuring smaller differences of light than any other method, and providing more accurate light-curves of the variable stars.
From Astronomy: The Science of the Heavenly Bodies by Todd, David Peck
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.
