orthographic

[awr-thuh-graf-ik] /ˌɔr θəˈgræf ɪk/
adjective
1.
of or relating to orthography.
2.
orthogonal (def 1a).
Also, orthographical.
Origin
1660-70; orthograph(y) + -ic
Related forms
orthographically, adverb
nonorthographic, adjective
nonorthographical, adjective
nonorthographically, adverb
unorthographical, adjective
unorthographically, adverb
British Dictionary definitions for orthographic

orthographic

/ˌɔːθəʊˈɡræfɪk/
adjective
1.
of or relating to spelling
Derived Forms
orthographically, adverb
Word Origin and History for orthographic
adj.

1660s, from orthography + -ic. Related: Orthographically.