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Definition of Transmittance
1. Noun. The fraction of radiant energy that passes through a substance. 
Definition of Transmittance
1. n. Transmission.
Definition of Transmittance
1. [n -S]
Medical Definition of Transmittance
1. 
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1. Noun. The fraction of radiant energy that passes through a substance. 
1. n. Transmission.
1. [n -S]
1.