diacritic

US /ˌdaɪ.əˈkrɪt̬.ɪk/
UK /ˌdaɪ.əˈkrɪt̬.ɪk/
"diacritic" picture
1.

signe diacritique, diacritique

a mark, sign, or symbol added to a letter or character to indicate a specific phonetic value, stress, tone, or other linguistic feature

:
The acute accent is a common diacritic in French.
L'accent aigu est un signe diacritique courant en français.
Many languages use diacritics to distinguish between words with similar spellings.
De nombreuses langues utilisent des signes diacritiques pour distinguer les mots ayant des orthographes similaires.