- Main Entry:
- ma·cron

- Pronunciation:
-
\ˈmā-ˌkrän, ˈma-, -krən\
- Function:
- noun
- Etymology:
- Greek makron, neuter of makros long
- Date:
- 1851
: a mark − placed over a vowel to indicate that the vowel is long or placed over a syllable or used alone to indicate a stressed or long syllable in a metrical foot