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Words related to transmittance

trans·mit·tance
T t

  • absorbance

    a measure of the light-absorbing ability of an object, expressed as the logarithm to base 10 of the reciprocal of the internal transmittance

  • absorptance

    a measure of the ability of an object to absorb radiation, equal to the ratio of the absorbed radiant flux to the incident flux. For a layer of material the ratio of the flux absorbed between the entry and exit surfaces of the layer to the flux leaving the entry surface is the internal absorptance

  • optical wedge

    a wedge-shaped filter whose transmittance decreases from one end to the other: used as an exposure control device in sensitometry.

  • transmissivity

    a measure of the ability of a material or medium to transmit electromagnetic energy, as light.

  • transmissometer

    an instrument for measuring visibility or the transmission of light in the atmosphere.
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