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1. A transmission.
2. Physics The ratio of the radiant energy transmitted to the total radiant energy incident on a given body.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. the act of transmitting
2. (General Physics) physics Also called: transmission factor 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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
trans•mit•tance(trænsˈmɪt ns, trænz-)
Physics. the ratio of the radiant flux transmitted through and emerging from a body to the total flux incident on it: equivalent to 1 minus the absorptance.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||transmittance - 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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