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Similar term(s): absorb.
The process of taking in. For a
person or an animal, absorption is the process of a substance getting into the
body through the eyes, skin, stomach, intestines, or lungs.
Glossary of Terms
In the context of electromagnetic radiation, absorption is
the way the energy of the radiation – e.g. light – is taken up by matter. In
this process, the electromagnetic energy is transformed to other forms of
energy, for example, to heat.