absorbancy


absorbancy

noun Physics.

  1. the capacity of a substance to absorb radiation, expressed as the common logarithm of the reciprocal of the transmittance of the substance.

noun

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

n.

  1. In spectrophotometry, equal to 2 minus the log of the percentage transmittance of light.extinction optical density

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