
Absorption
Physical Presence
Absorption here implies a physical process, involving direct contact between materials.

The laboratory experiment demonstrated the absorption of oil into the sponge.
Porous Materials
When discussing absorption, think of materials like sponge, not solid objects like metal.

Cotton has a high absorption capacity for sweat.
Not Instantaneous
Absorption describes a gradual process - it takes time for substances to be absorbed.

If you water plants too quickly, the soil cannot complete absorption, and water runs off.
Compare with
AssimilateDigestionIncorporateIngestionIntakeUptake
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