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

Examples of absorbance in a Sentence

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, "Simple telescope picks up hint of the Universe’s first stars, dark matter," 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.

First Known Use of absorbance

1893, in the meaning defined above

History and Etymology for absorbance

absorb + -ance

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Dictionary Entries near absorbance

absolvitor

absonant

absorb

absorbance

absorbate

absorbative

absorbed

Statistics for absorbance

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Time Traveler for absorbance

The first known use of absorbance was in 1893

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More Definitions for absorbance

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

More from Merriam-Webster on absorbance

Nglish: Translation of absorbance for Spanish Speakers

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