Diacritical marks are little symbols added to letters or words to change their sound or meaning. They help us pronounce or understand words correctly. Full definition
-- Write 10 words frequently mispronounced and indicate correct pronunciation by use of diacritical marks and by syllabication. (californiapolicycenter.org)
The handle has numbered adjustment settings between 1 and 6 divided by diacritical marks between each number. (mistershaver.com)
The class will read transliterated text (English letters with diacritical markings) alongside the original script. (prairieyoga.org)