transmittance
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trans·mit·tance

noun \-ˈmi-tən(t)s\

Definition of TRANSMITTANCE

2
: the fraction of radiant energy that having entered a layer of absorbing matter reaches its farther boundary

First Known Use of TRANSMITTANCE

circa 1855

trans·mit·tance

noun \-ˈmit-ən(t)s\   (Medical Dictionary)

Medical Definition of TRANSMITTANCE

2
: the fraction of radiant energy that having entered a layer of absorbing matter reaches its farther boundary

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