ー

unclassified

long-vowel mark

A diacritical mark used mainly in katakana to indicate that the preceding vowel is pronounced long. Equivalent to a macron or doubled vowel in rōmaji.

See also: 長音符

• 「コーヒー」の「ー」は長ちょう音おん符ぷです。

  The 'ー' in 'コーヒー' is a long-vowel mark.

• カタカナ語ごでは、長ちょう音おんを「ー」で表あらわします。

  In katakana words, long vowels are represented with 'ー'.