See more synonyms for interpenetrate on
verb (used with object), in·ter·pen·e·trat·ed, in·ter·pen·e·trat·ing.
  1. to penetrate thoroughly; permeate.
  2. to penetrate with (something else) mutually or reciprocally.
verb (used without object), in·ter·pen·e·trat·ed, in·ter·pen·e·trat·ing.
  1. to penetrate between things or parts.
  2. to penetrate each other.

Origin of interpenetrate

First recorded in 1800–10; inter- + penetrate
Related formsin·ter·pen·e·tra·ble [in-ter-pen-i-truh-buh l] /ˌɪn tərˈpɛn ɪ trə bəl/, adjectivein·ter·pen·e·trant, adjectivein·ter·pen·e·tra·tion, nounin·ter·pen·e·tra·tive, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for interpenetration

Historical Examples of interpenetration

British Dictionary definitions for interpenetration


  1. to penetrate (something) thoroughly; pervade
  2. to penetrate each other or one another mutually
Derived Formsinterpenetrable, adjectiveinterpenetrant, adjectiveinterpenetration, nouninterpenetrative, adjectiveinterpenetratively, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for interpenetration

1809, from inter- + penetration.



1809, from inter- + penetrate. Related: Interpenetrated; interpenetrating.

Online Etymology Dictionary, © 2010 Douglas Harper