transmittance

Definitions

General Science

  • noun a measure of how well a material allows radiation to pass through it, measured as the ratio of incident radiation to transmitted radiation

Construction

  • The capacity of glass to transmit solar energy—in visible light, as well as ultraviolet and infrared ranges. Transmittance is measured in percentages of each type of light.

Electronics

  • For a body or material which is irradiated, the proportion of the incident radiation transmitted. Put another way, transmittance = (1 - absorptance). Also called transmittaney, or transmission (5).
  • synonymtransmission
  • synonymtransmittancy
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