専せん門もん化かMeaningsNounSuru verb1. specialization; specialisationKanji used専specialty門gate化transformationPitch accentせんもんかComposed of専せん門もんspeciality; specialty; special subject of study; area of expertise; (one's) field; (one's) major; sole interest; single focus; concentrating exclusively on; doing exclusively; …Noun化かchange to ...; becoming ...; making into ...; -ization; -ificationSuffix