permeation

Plural: permeations

Noun

• the process of permeating or infusing something with a substance
• mutual penetration; diffusion of each through the other
• The movement of a fluid through a porous or permeable solid.
• The spreading of something (especially something malignant) through the body via blood vessels etc.

Synonyms

interpenetration, pervasion, suffusion

Related Words

permeable, permeant, permeate, permeator