: the ability of a layer of a substance to absorb radiation expressed mathematically as the negative common logarithm of transmittance
Examples of absorbance in a Sentence
Recent Examples on the WebFor example, the galaxy's signal tends to be a cluster of individual absorbance and emissions lines, rather than a smooth spectrum.
John Timmer, Ars Technica, 28 Feb. 2018
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'absorbance.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.