absorbance

American  

[ab-sawr-buhns, -zawr-] / æbˈsɔr bəns, -ˈzɔr- /

Also absorbancy

noun

Physics.

1. the capacity of a substance to absorb radiation, expressed as the common logarithm of the reciprocal of the transmittance of the substance.

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absorbance British  

/ əbˈsɔːbəns, -ˈzɔː- /

noun

1. 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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Etymology

Origin of absorbance

First recorded in 1945–50; absorb(ent) + -ance

Example Sentences

See Examples For:

absorbance

The new method monitors neutral lipids within LDs directly by detecting changes in IR absorbance.

From Science Daily ● Jan. 24, 2024

A photochemistry lab at Harvard collaborated in the research by providing measurements of the UV absorbance patterns of ferric iron under extreme acidic conditions, in an attempt to mimic the even more extreme Venusian clouds.

From Science Daily ● Jan. 5, 2024

The amount of color can be measured by the absorbance reading.

From Textbooks ● Mar. 27, 2020

Units of maximum velocity are 10 absorbance units at 600 nm per minute per microgram of protein.

From Nature ● Apr. 4, 2014

By contrast, the EWG rated products based on the "absorbance spectrum" of active ingredients and existing data on their stability.

From Time ● May 25, 2011