Dictionary
absorbance
noun ab·sor·bance \əb-ˈsȯr-bən(t)s, -ˈzȯr-\
Definition of ABSORBANCE
: the ability of a layer of a substance to absorb radiation expressed mathematically as the negative common logarithm of transmittance
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First Known Use of ABSORBANCE
1947
Medical Dictionary
absorbance
noun ab·sor·bance \əb-ˈsȯr-bən(t)s, -ˈzȯr-\
Medical Definition of ABSORBANCE
: the ability of a solution or a layer of a substance to absorb radiation that is expressed mathematically as the negative common logarithm of the transmittance of the substance or solution—called also optical density
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