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Related to absorptivity: Molar absorptivity


 (əb-zôrp′shən, -sôrp′-)
1. The act or process of absorbing or the condition of being absorbed.
2. A state of mental concentration.

[Latin absorptiō, absorptiōn-, from absorptus, past participle of absorbēre, to absorb; see absorb.]

ab·sorp′tive (-tĭv) adj.
ab′sorp·tiv′i·ty n.


(ˌæbsɔːpˈtɪvɪtɪ; -zɔːp-)
(General Physics) physics a measure of the ability of a material to absorb radiation, equal to the internal absorptance of a homogeneous layer of the material under conditions in which the path of the radiation has unit length and the boundaries of the layer have no influence
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.absorptivity - (physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body
physical property - any property used to characterize matter and energy and their interactions
natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"
References in periodicals archive ?
Antifungal and antibacterial activity of resin showed enhancement in zones of inhibition as compared to its Schiff base nint and 1 % absorptivity of the new compounds was also estimated.
Enzymatic activity was calculated from the molar absorptivity coefficient of the produced phenol (1,310 M-1 cm-1).
Using a recently developed saturation-level concept, we demonstrate that the signs of the greenhouse effect and radiative forcing are fundamentally dependent on vertical absorptivity and temperature profiles and will thus vary with wave number as well as seasonally.
The word grey signifies that the emissivity and absorptivity of the surface do not depend on wavelength.
Its absorptivity properties are due to their high surface area, a microporous structure and a high degree of surface reactivity.
where, s is absorptivity, c is concentration of absorbing species, b is path length or the thickness of thin film; the rearrangement of eq.
At this wavelength, the liberated P-nitroaniline (PNA) has a molar absorptivity of 10,500.
004m and the absorber tubes are painted black in order to provide maximum heat absorptivity.
The surface of the workpiece could affect the process performance during pulsed laser welding by increasing or decreasing the absorptivity which results in a deficient weld quality [32].
The Law of Equivalence [33] simply affirms that, at thermal equilibrium, the radiation emitted by a surface will be equal to the radiation it absorbs, emissivity, e, is equal to absorptivity, a.
For the window, because the transmissivity of glass is largely greater than absorptivity, the outside surface temperature of window is unaffected by the incident solar radiation.