Definition of transmittance in English:

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Pronunciation: /ˌtranzˈmitəns/
Pronunciation: /ˌtran(t)sˈmitəns/


The ratio of the light energy falling on a body to that transmitted through it.
Example sentences
  • Designed for spectral analysis of microscopic samples as small as 1 mm, the instrument can measure by transmittance, absorbance, reflectance, fluorescence, and polarization.
  • The apparatus determines the transmittance of light through the sample leaf at two wavelengths.
  • To compute the transmittance, the direct incident radiation has to be measured in a fixed position, which can be done in a small canopy gap because of the reduced viewing angle of the sensor.

For editors and proofreaders

Syllabification: trans·mit·tance

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