A a


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [ab-sawrp-tiv-i-tee, -zawrp-]
    • /ˈæb sɔrpˈtɪv ɪ ti, -zɔrp-/
    • /ˌæb.sɔːp.ˈtɪ.vɪ.tɪ/
    • US Pronunciation
    • US IPA
    • [ab-sawrp-tiv-i-tee, -zawrp-]
    • /ˈæb sɔrpˈtɪv ɪ ti, -zɔrp-/

Definitions of absorptivity word

  • noun absorptivity 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 3
  • noun absorptivity the property of a body that determines the fraction of incident radiation absorbed or absorbable by the body. 1
  • noun absorptivity The quality of being absorptive; absorptiveness. (First attested in the mid 19th century.). 1
  • noun absorptivity (thermodynamics) The fraction of radiation absorbed by a surface to the total radiation incident on the surface. 0
  • noun absorptivity (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. 0

Information block about the term

Origin of absorptivity

First appearance:

before 1860
One of the 29% newest English words
First recorded in 1860-65; absorptive + -ity

Historical Comparancy

Parts of speech for Absorptivity


absorptivity popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 55% of English native speakers know the meaning and use word.
This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

absorptivity usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for absorptivity

noun absorptivity

Top questions with absorptivity

  • how to calculate molar absorptivity?
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  • how to calculate molar absorptivity from wavelength?
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  • how do you find molar absorptivity?
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  • how to calculate molar absorptivity from a graph?

See also

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