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Related to absorbance: spectrophotometer, transmittance


(əbˈsɔːbəns; -ˈzɔː-)
(General Physics) 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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(æbˈsɔr bəns, -ˈzɔr-)

n. Physics.
the capacity of a substance to absorb radiation.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.absorbance - (physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation
density, denseness - the amount per unit size
natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"
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References in periodicals archive ?
[USPRwire, Wed Aug 07 2019] Microplate absorbance readers have gained increased palpability for use in a wide range of assays, including protein quantitation, microbial and growth.
To determine TPC the plant extract was allowed to react with FC reagent and absorbance value was taken at 726 nm.
Figure 1(b) described the atomic absorbance of Sb (III) in different extraction agents (C[H.sub.2][Cl.sub.2], CH[Cl.sub.3], and [[C.sub.4]mim][P[F.sub.6]]) with BPHA as the chelating agent and their background absorbance.
The relatively slower adsorption kinetics of N719 dye on thicker films (faster saturation) is seen as lower slope of dye absorbance at 525 nm in Figure S3(b) (Supporting Information).
At 0.5 mM concentration, no absorbance was observed; however, when the sulphanilic acid concentration was increased, the absorbance increased linearly.
The influence of paper absorbance on photoluminescence properties of inkjet-printed images was also investigated.
Antioxidant effect (%) = [(control absorbance-sample absorbance) / (control absorbance)] x100.
luteus showed 100% absorbance of Cd(II) on all incubatory periods; 24, 48, 72, and 96 h (Fig.
For evaluation of the formation constant from absorbance vs [M]/[L] mole ratio data, the KINFIT [17] program was also used [18-19].