| Interpenetrative | a. Penetrating among or between other substances; penetrating each the other; mutually penetrative. [ 1913 Webster ] |
| Interpenetration | n. The act or process of penetrating between or within other substances; mutual penetration; also, the result of a process of interpenetration. Milman. [ 1913 Webster +PJC ] |
| interpenetration | (n) the action of penetrating between or among |
| interpenetration | (n) mutual penetration; diffusion of each through the other, Syn. permeation |