Macron is a proper noun referring to a French political leader or to a diacritic mark (macron) placed over a vowel to indicate a long vowel sound. In reference to a person, the name is pronounced with a French-influenced stress pattern and vowel qualities; in typography, the term denotes the horizontal bar over a vowel that signals length. The word itself is borrowed from French, where it denotes length or duration.
Full pronunciation guide
