Lexic.us

Definition of Absorptivity

1. Noun. (physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body.

Definition of Absorptivity

1. n. Absorptiveness.

Definition of Absorptivity

1. Noun. The quality of being absorptive; absorptiveness. ¹

2. Noun. (analytical chemistry) The constant a in the Beer's law relation A = abc, where A is the absorbance, b the path length, and c the concentration of solution. Also known as absorptive power. Formerly known as absorbency index; absorption constant; extinction coefficient. ¹

3. Noun. (thermodynamics) The fraction of radiation absorbed by a surface to the total radiation incident on the surface. ¹

¹ Source: wiktionary.com

Definition of Absorptivity

1. [n -TIES]

Medical Definition of Absorptivity

1. Synonym: specific absorption coefficient, molar absorption coefficient. (05 Mar 2000)

Lexicographical Neighbors of Absorptivity

Literary usage of Absorptivity

Below you will find example usage of this term as found in modern and/or classical literature:

1. Proceedings of the Workshop on Long-Lived Radionuclide Chemistry in Nuclear by NEA Nuclear Science Committee (1998)
"Alternatively, numerical differentiation of the total Pu(IV) molar absorptivity with respect the sampled wavelength or energy x yields: which can be used to ..."

2. Preventing Lead Poisoning in Young Children (1993)
"In the past, an absorptivity of 241 L cm-1 mmol-1 has been used to determine ... Recently, however, the correct absorptivity has been determined to be 297 L ..."

3. Baltimore Lectures on Molecular Dynamics and the Wave Theory of Light by William Thomson Kelvin (1904)
"... allowance for the large absorptivity of the transparent medium, such as that thus proved in rock-salt and sylvin with radiant heat of periods less than ..."

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