permeation
(pɜːmiːˈeɪʃən)
[n. of action from prec.: see -ation.]
The action of permeating or fact of being permeated; penetration; pervasion.
| 1623 Cockeram, Permeation, a passing ouer. 1652 Bp. Hall Invis. World i. ii, Not a meer involution only, but a spiritual permeation and inexistence. 1657 Tomlinson Renou's Disp. 709 Oyl of Spike, which by its tenuity will cause better permeation for the rest. 1830 Lyell Princ. Geol. I. 90 The effect..of percolation by mineral waters, of permeation by elastic fluids. 1882 Geikie Text-bk. Geol. ii. ii. vi. 168 The permeation of water from the surface. |