Last modified on 15 December 2014, at 15:25

absorptivity

EnglishEdit

EtymologyEdit

absorptive +‎ -ity

PronunciationEdit

  • (US) IPA(key): æbˌsɔɹpˈtɪvə.ti/, əbˌsɔɹpˈtɪvə.ti/

NounEdit

absorptivity (plural absorptivities)

  1. The quality of being absorptive; absorptiveness. [First attested in the mid 19th century.][1]
  2. (thermodynamics) The fraction of radiation absorbed by a surface to the total radiation incident on the surface. [First attested in the mid 19th century.][1]
  3. (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.

SynonymsEdit

TranslationsEdit

ReferencesEdit

  1. 1.0 1.1 Lesley Brown (editor), The Shorter Oxford English Dictionary, 5th edition (Oxford University Press, 2003 [1933], ISBN 978-0-19-860575-7), page 9