brightness
Americannoun
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the quality of being bright.
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Optics. the luminance of a body, apart from its hue or saturation, that an observer uses to determine the comparative luminance of another body. Pure white has the maximum brightness, and pure black the minimum brightness.
noun
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the condition of being bright
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physics a former name for luminosity
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psychol the experienced intensity of light
Etymology
Origin of brightness
before 950; Middle English brihtnes, Old English beorhtnes. See bright, -ness
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.
With the calm cadence of a flight attendant, Sue instructs everyone to put their phones on Do Not Disturb, sound and brightness to max and open Instagram to find @asexualhistoryoftheinternet.
From Los Angeles Times
This structure increased the brightness of dark excitons by an extraordinary factor of 300,000, making them clearly observable and allowing their behavior to be precisely controlled.
From Science Daily
There wasn’t the tightness or brightness, for instance, that the players gave Stravinsky and Mahler in Tokyo.
From Los Angeles Times
Even after standardizing their brightness, the team found that supernovae originating from younger stars tend to look fainter, while those from older stars appear brighter.
From Science Daily
A key example is superradiance, a quantum effect in which atoms emit light in perfect synchronization, creating a brightness far greater than the sum of their individual emissions.
From Science Daily
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.
