|Look up absorbtivity, absorptance, or absorptivity in Wiktionary, the free dictionary.|
In science, the term absorptivity may refer to:
- Molar absorptivity, in chemistry, a measurement of how strongly a chemical species absorbs light at a given wavelength
- Absorptance, in physics, the fraction of radiation absorbed at a given wavelength
See also section of "absorptivity" in "emissivity" for information of radiometrical aspect.
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