transmittance
Americannoun
noun
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the act of transmitting
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Also called: transmission factor. τ. physics a measure of the ability of anything to transmit radiation, equal to the ratio of the transmitted flux to the incident flux; the reciprocal of the opacity. For a plate of material the ratio of the flux leaving the entry surface to that reaching the exit surface is the internal transmittance Compare reflectance absorptance
Other Word Forms
- nontransmittance noun
Etymology
Origin of transmittance
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.
Additionally, the material showed a high spectral transmittance, or transparency, of 95 percent.
From Science Daily • May 24, 2024
This effect leads to a change in transmittance depending on the direction in which the light travels.
From Science Daily • Jan. 18, 2024
Although any opaque material, such as a metal, can essentially eliminate transmittance, eliminating the reflectance is more difficult.
From Nature • Dec. 11, 2012
To enhance the light absorbed within a medium, both the reflectance and the transmittance of the medium must be minimized.
From Nature • Dec. 11, 2012
Music fills all which contains life, and uses all materials for its transmittance.
From Seed Thoughts for Singers by Tubbs, Frank Herbert
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.
