(optics, physics) Absorbed radiation and incident radiation in a ratio format; a measurement that shows how well a surface absorbs radiation.

In an absorptive way.

plural of absorptance

plural of absorptive

Alternative form of absorpt

Preoccupation with oneself to the exclusion of everything else.

(physics, chemistry) One of any number of ranges of wavelengths of electromagnetic radiation absorbed by a substance.

(physics) A measure of the absorption of electromagnetic radiation as it passes through a specific substance; the fraction of incident radiation absorbed by unit mass or unit thickness; absorptivity.

(physics, astronomy) A spectral line that corresponds to the absorption of electromagnetic radiation at a specific wavelength; the pattern of such lines is characteristic of specific atoms or molecules in the path of the radiation.

(physics) The retention of polarization of a dielectric material after removal of the electric field.