diacritical

[ dahy-uh-krit-i-kuh l ]

/ ˌdaɪ əˈkrɪt ɪ kəl /

serving to distinguish; distinctive.

capable of distinguishing.

Phonetics. serving as a diacritic.

Origin of diacritical

First recorded in 1740–50; diacritic + -al¹

di·a·crit·i·cal·ly, adverb

The words with ligature and diacritical marks have been standardized.

The Aboriginal Population of Alameda and Contra Costa Counties, California |S. F. Cook
Errors in punctuation and diacritical marks in French were fixed.

A Journey from Prince of Wales's Fort in Hudson's Bay to the Northern Ocean in the Years 1769, 1770, 1771, 1772 |Samuel Hearne
Some apparent errors in the use of diacritical marks have been amended.

Japanese Swords |Anonymous
The system of diacritical marks used is explained on the first page of the index.

The Story of the Thirteen Colonies |H. A. (Hlne Adeline) Guerber

Diacritical marks are frequently missing either in the text or in captions.

Famous Men and Great Events of the Nineteenth Century |Charles Morris

diacritical

/ (ˌdaɪəˈkrɪtɪkəl) /

of or relating to a diacritic

showing up a distinction

diacritically, adverb