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BNC: 49706 COCA: 44793
BNC: 49706 COCA: 44793

absorbance

noun

ab·​sor·​bance əb-ˈsȯr-bən(t)s How to pronounce absorbance (audio) -ˈzȯr- How to pronounce absorbance (audio)
: the ability of a layer of a substance to absorb radiation expressed mathematically as the negative common logarithm of transmittance

Example Sentences

Recent Examples on the Web For 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

Word History

Etymology

absorb + -ance

First Known Use

1893, in the meaning defined above

Time Traveler
The first known use of absorbance was in 1893
BNC: 49706 COCA: 44793

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