PERMEATION
permeation, interpenetration
(noun) mutual penetration; diffusion of each through the other
permeation, pervasion, suffusion
(noun) the process of permeating or infusing something with a substance
Source: WordNet® 3.1
Noun
permeation (countable and uncountable, plural permeations)
The movement of a fluid through a porous or permeable solid.
(medicine) The spreading of something (especially something malignant) through the body via blood vessels etc.
Anagrams
• preominate
Source: Wiktionary
Per`me*a"tion, n.
Definition: The act of permeating, passing through, or spreading
throughout, the pores or interstices of any substance.
Here is not a mere involution only, but a spiritual permeation and
inexistence. Bp. Hall.
Source: Webster’s Unabridged Dictionary 1913 Edition