inter·pene·trateBrE/ˌɪntəˈpenɪtreɪt/NAmE/ˌɪntərˈpenɪtreɪt/verbpresent simple - I / you / we / theyinterpenetrateBrE/ˌɪntəˈpenɪtreɪt/NAmE/ˌɪntərˈpenɪtreɪt/present simple - he / she / itinterpenetratesBrE/ˌɪntəˈpenɪtreɪts/NAmE/ˌɪntərˈpenɪtreɪts/past simpleinterpenetratedBrE/ˌɪntəˈpenɪtreɪtɪd/NAmE/ˌɪntərˈpenɪtreɪtɪd/past participleinterpenetratedBrE/ˌɪntəˈpenɪtreɪtɪd/NAmE/ˌɪntərˈpenɪtreɪtɪd/ -ing forminterpenetratingBrE/ˌɪntəˈpenɪtreɪtɪŋ/NAmE/ˌɪntərˈpenɪtreɪtɪŋ/[I, T]~ (sth)(formal) tospreadcompletelythroughsthorfromonethingtoanotherineachdirection(互相)贯穿,渗透▸inter·pene·tra·tionBrE/ˌɪntəˌpenɪˈtreɪʃn/NAmE/ˌɪntərˌpenɪˈtreɪʃn/noun[U, C]