1. relating to or concerning the correct spelling of words
2. relating to orthography; of or pertaining to the representation of the sounds of a language by written or printed symbols
Usage: technical; linguistics
3. relating to or produced by orthographic projection, a method of representing three-dimensional objects on a two-dimensional surface
Usage: technical; architecture; engineering

Examples

• The teacher marked the student's paper for orthographical errors.
• An orthographical dictionary lists words in alphabetical order with correct spellings.
• The orthographical system of English includes rules for capitalization and punctuation.
• Architects use orthographical drawings to show precise measurements and dimensions.
• Learning the orthographical conventions of a language is essential for proper writing.
• The orthographical representation of sounds varies between different languages.