Learn how to say Orthographic correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word orthography:
noun (plural orthographies)
1the conventional spelling system of a language:
a spoken language which has as yet no sanctioned orthography
[mass noun] the study of spelling and how letters combine to represent sounds and form words.
2another term for orthographic projection.
orthography (sense 1).
late Middle English: via Old French and Latin from Greek orthographia, from orthos ‘correct’ + -graphia ‘writing’