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transmissivity

[trans-mi-siv-i-tee, tranz-] /ˌtræns mɪˈsɪv ɪ ti, ˌtrænz-/
noun, Physics.
1.
a measure of the ability of a material or medium to transmit electromagnetic energy, as light.
Compare transmittance.
Origin of transmissivity
1910-1915
1910-15; transmiss(ion) + -ive + -ity
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for transmissivity

transmissivity

/ˌtrænzmɪˈsɪvɪtɪ/
noun
1.
(physics) a measure of the ability of a material to transmit radiation, equal to the internal transmittance of the material under conditions in which the path of the radiation has unit length
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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