- an absorbing or being absorbed
- the fact or state of being much interested or engrossed
- Biol. the passing of nutrient material, medication, etc. into or through tissues, as the intestinal walls, the blood, etc.
- a taking in and not reflecting, as of radiant energy
- partial loss in energy of light, radio waves, etc. passing through a medium
Origin of absorptionClassical Latin absorptio from absorbere: see absorb