Meaning of INTERPENETRATE in English

INTERPENETRATE

in ‧ ter ‧ pen ‧ e ‧ trate /ˌɪntəˈpenətreɪt, ˌɪntəˈpenɪtreɪt $ -tər-/ BrE AmE verb [intransitive and transitive] formal

to spread through something or spread through each other

—interpenetration /ˌɪntəpenəˈtreɪʃ ə n, ˌɪntəpenɪˈtreɪʃ ə n $ -tər-/ noun [uncountable and countable]

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.