a diacritical mark (¯) placed over a letter, used in prosody, in the orthography of some languages, and in several types of phonetic respelling systems, to represent a long vowel
Word origin
C19: from Greek makron something long, from makros long
Macron in British English
(French makrɔ̃)
noun
Emmanuel (emanɥɛl). born 1977, French centrist politician; president of France from 2017
macron in American English
(ˈmeɪkrən; ˈmeɪˌkrɑn)
noun
a short, straight mark (¯) placed over a vowel to indicate that it is long or is to be pronounced in a certain way