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 (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 ?
Chen, "A reflectance spectra model for copper-stressed leaves: advances in the PROSPECT model through addition of the specific absorption coefficients of the copper ion," International Journal of Remote Sensing, vol.
Larger cells suffer with a higher package effect and lower specific absorption coefficients [24].
where the specific absorption coefficient [a'.sub.ph]([lambda]) is calculated taking into account the "package effect" (Morel and Bricaud, 1981; Kirk, 1994; Bricaud et al., 1995).