What does "graphemic" mean?

Of or pertaining to graphemes or their study.

How do you pronounce "graphemic"?

Pronounced //ɡɹæˈfiːmɪk//.

Common synonyms include: abecedarian, allographic, alphabetic, alphabetical, capital, descriptive.

/ɡɹæˈfiːmɪk/ adj

adj ·Rare ·Advanced level

Adjective

1
Of or pertaining to graphemes or their study. not-comparable
2
Being or that is a grapheme; being or that is an irreducibly meaningful unit of written language. not-comparable

From grapheme + -ic, on analogy with phonemic.