di·a·crit·ic
ˌdī-ə-ˈkri-tik
: a mark near or through an orthographic or phonetic character or combination of characters indicating a phonetic value different from that given the unmarked or otherwise marked element
di·a·crit·ic
ˌdī-ə-ˈkri-tik
less common variant of diacritical
1
: serving as a diacritic
2
a
: distinctive
… the diacritical elements in culture.—S. F. Nadel
b
: capable of distinguishing
students of superior diacritical powers
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Merriam-Webster unabridged



