absorbent cotton
- n cotton made absorbent by removal of the natural wax
absorbent material
- n a material having capacity or tendency to absorb another substance
absorber
- n (physics) material in a nuclear reactor that absorbs radiation
absorptance
- n a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber
absorptance equals 1 minus transmittance