photometry

noun
pho·tom·e·try | \ fō-ˈtä-mə-trē \

Definition of photometry 

: a branch of science that deals with measurement of the intensity of light also : the practice of using a photometer

Examples of photometry in a Sentence

Recent Examples on the Web

The space agency had to miniaturize the technology used in precision photometry, including an active thermal control system and a steady astronomical camera. David Grossman, Popular Mechanics, "NASA to Test CubeSat Telescope for Measuring the Brightness of Stars," 8 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'photometry.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of photometry

1807, in the meaning defined above

History and Etymology for photometry

New Latin photometria, from phot- + -metria -metry

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Time Traveler for photometry

The first known use of photometry was in 1807

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More Definitions for photometry

photometry

noun
pho·tom·e·try | \ fō-ˈtäm-ə-trē \
plural photometries

Medical Definition of photometry 

: a branch of science that deals with measurement of the intensity of light also : the practice of using a photometer

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Britannica.com: Encyclopedia article about photometry

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occurring twice a year or every two years

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