Absorption

Absorption can be:

in general and in medicine: absorption, absorption, amalgamation
physics and chemistry: the process of dissolving a gaseous compound in a liquid, or solid substance
physics:
absorption of (light, X-ray, radioactive, etc.) radiation when passing through a material environment

specifically, e.g. absorption (light)
absorption of sound when passing through a substance
in economics:
total demand of the national economy for goods and services, see absorption (economics)
the method of merger, in which only the absorbing company retains its legal personality, the absorbed company is dissolved and all claims, assets and liabilities are transferred to the absorbing company; see merger (businesses)
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