<page_title> List of Japanese typographic symbols </page_title> <section_title> Phonetic marks </section_title> <table> <cell> chōonpu (長音符, "long sound symbol") onbiki (音引き) bōbiki (棒引き) bōsen (棒線, "bar line") <col_header> Name(s) </col_header> </cell> </table>
The chōonpu, also known as onbiki, bōbiki, is a Japanese symbol that indicates a long vowel in length.