externalisation external-combustion engine • externalise · · · Info · Definitions · Synonyms · Characters · · externalisation · · Text Latin · · Script 15 · · Length 6 · · Syllables Definitions · · · (noun) attributing to outside causes. Synonyms: externalization. · · Noun Definition 1 (noun) embodying in an outward form. Synonyms: externalization, exteriorization, exteriorisation. · · Noun Definition 2 Synonyms · · · externalization · · Synonym 1 exteriorization · · Synonym 2 exteriorisation · · Synonym 3 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 x latin small letter x U+0078