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transmittance

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia 0.03 sec.
trans·mit·tance  (trns-mtns, trnz-)
n.
1. A transmission.
2. Physics The ratio of the radiant energy transmitted to the total radiant energy incident on a given body.

transmittance [trænzˈmɪtəns]
n
1. the act of transmitting
2. (Physics / General Physics) Also called transmission factor 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. Symbol τ Compare reflectance, absorptance
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.transmittancetransmittance - the fraction of radiant energy that passes through a substance
coefficient - a constant number that serves as a measure of some property or characteristic


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