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absorbance
[ ab-sawr-buhns, -zawr- ]
noun
, Physics.
- the capacity of a substance to absorb radiation, expressed as the common logarithm of the reciprocal of the transmittance of the substance.
absorbance
/ əbˈsɔːbəns; -ˈzɔː- /
noun
- physics a measure of the light-absorbing ability of an object, expressed as the logarithm to base 10 of the reciprocal of the internal transmittance See transmittance
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Word History and Origins
Origin of absorbance1
First recorded in 1945–50; absorb(ent) + -ance
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