C2 adjective /ˌdaɪəˈkrɪtɪkəl/
diacritical
diacrítico
Meaning
Relating to a mark added to a letter to indicate a different pronunciation or stress.
Example
The word résumé has diacritical marks that change its meaning from resume.
La palabra 'resumé' tiene marcas diacríticas que cambian su significado de 'resume'.