Definition of absorbance in English:


Syllabification: ab·sorb·ance
Pronunciation: /əbˈzôrbəns, -ˈsôr-


  • A measure of the capacity of a substance to absorb light of a specified wavelength. It is equal to the logarithm of the reciprocal of the transmittance.
    More example sentences
    • The isotropic emission spectra were normalized to the corresponding absorbance at the excitation wavelength.
    • In these experiments electron absorbances were measured as a function of increasing laser intensity and, subsequently, as a function of decreasing laser intensity.
    • Then, absorbances at the four wavelengths were calculated.

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