in•ter•pen•e•tratePronunciation: (in"tur-pen'i-trāt"), [key]
—v. -trat•ed, -trat•ing.
to penetrate thoroughly; permeate.
to penetrate with (something else) mutually or reciprocally.
to penetrate between things or parts.
to penetrate each other.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.