ˌ ̷ ̷ ̷ ̷ˈāshən noun
( -s )
1. : the quality or state of being permeated : pervasion
the permeation of this theme … in all the areas of communication — J.D.Adams
2.
a. : the act or process of permeating : penetration
the sands are so compacted … there is no more space for permeation — Oil
assisted in the permeation of principles of mental hygiene in all agencies — U.S. Dept. of Labor Bulletin
b. : impregnation 2a