interpenetrate

• POS: Verb (usu participle)
• HYPHEN: in=ter=pen=e=trate

CIDE DICTIONARY

interpenetrate, v. t. 

 To penetrate between or within; to penetrate mutually.  [1913 Webster]
"It interpenetrates my granite mass."  [1913 Webster]

interpenetrate, v. i. 

 To penetrate each the other; to penetrate between bodies or their parts.  [1913 Webster]

Interpenetrating molding (Arch.), in late Gothic architecture, a decoration by means of moldings which seem to pass through solid uprights, transoms, or other members; often, two sets of architectural members penetrating one another, in appearance, as if both had been plastic when they were put together.

OXFORD DICTIONARY

interpenetrate, v.
1 intr. (of two things) penetrate each other.
2 tr. pervade; penetrate thoroughly.

Derivative

interpenetration n. interpenetrative adj.

ROGET THESAURUS

interpenetrate

Interposition

VB lie between, come between, get between, intervene, slide in, interpenetrate, permeate, put between, introduce, import, throw in, wedge in, edge in, jam in, worm in, foist in, run in, plow in, work in, interpose, interject, intercalate, interpolate, interline, interleave, intersperse, interweave, interlard, interdigitate, sandwich in, fit in, squeeze in, let in, dovetail, splice, mortise, insinuate, smuggle, infiltrate, ingrain, interfere, put in an oar, thrust one's nose in, intrude, obtrude, have a finger in the pie, introduce the thin end of the wedge, thrust in.

Ingress

VB have the entree, enter, go into, go in, come into, come in, pour into, pour in, flow into, flow in, creep into, creep in, slip into, slip in, pop into, pop in, break into, break in, burst into, burst in, set foot on, ingress, burst in upon, break in upon, invade, intrude, insinuate itself, interpenetrate, penetrate, infiltrate, find one's way into, wriggle into, worm oneself into, give entrance to, insert.