言げん語ご音おんじ字FuriganaMeanings1nounspeech soundlinguistics›Technical term in linguistics for the sounds used in human spoken language.言げん語ご音おんの研けん究きゅうは音おん声せい学がくの中ちゅう心しん的てきなテーマです。The study of speech sounds is a central theme of phonetics.