interpenetration

== English == === Etymology === From inter- +‎ penetration. === Pronunciation === Rhymes: -eɪʃən === Noun === interpenetration (countable and uncountable, plural interpenetrations) The act of penetrating between or within other substances; mutual penetration. The situation of two or more bodies overlapping in three-dimensional space, with part of the bodies lying within each other. ==== Translations ==== ==== See also ==== self-intersection