macron

/ˈmeɪkrɑn/
noun
  1. A diacritical mark (¯) placed over a vowel to indicate that it is pronounced with a long sound.
    • Latin textbooks often use a macron to help students with pronunciation.
    • In the word 'cāke,' the macron over the 'a' shows it is a long vowel.
    • The macron is different from a breve, which marks a short vowel.
Antonyms
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