diacritic
di-a-crit-ic
noun
A mark added to a letter to alter its sound or meaning.
"The cedilla is a diacritic used in French."
Thesaurus
Synonyms: discriminating, diacritical, diacritical mark
di-a-crit-ic
A mark added to a letter to alter its sound or meaning.
"The cedilla is a diacritic used in French."
Synonyms: discriminating, diacritical, diacritical mark