Interpenetrate

[,intә'penitreit]

(verb.) penetrate mutually or be interlocked; 'The territories of two married people interpenetrate a lot'.

Checked by Fern--From WordNet

(v. t.) To penetrate between or within; to penetrate mutually.

(v. i.) To penetrate each the other; to penetrate between bodies or their parts.

Checker: Nathan

v.t. to penetrate between or within.—n. Interpenetrā′tion.

Checker: Witt

They interpenetrate and a change in one affects all the others. Walter Lippmann. A Preface to Politics.

Checker: Osbert