English Dictionary

diacritical mark

noun

(orthography, typography) A symbol in writing used with a letter to indicate a different pronunciation, stress, tone, or meaning, also called "tone marks" when used to indicate tones, e.g. in Vietnamese or pinyin (romanised Mandarin Chinese).

The word 'résumé' contains a diacritical mark.

意味（1）

(orthography, typography) A symbol in writing used with a letter to indicate a different pronunciation, stress, tone, or meaning, also called "tone marks" when used to indicate tones, e.g. in Vietnamese or pinyin (romanised Mandarin Chinese).