verb transitiveWord forms: ˌinterˈpeneˌtrated or ˌinterˈpeneˌtrating
to penetrate thoroughly; pervade; permeate
to penetrate (each other) reciprocally or mutually
to penetrate each other
to penetrate between parts, etc.
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.