Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of or relating to orthography.
  • adjective Spelled correctly.
  • adjective Mathematics Having perpendicular lines.

from The Century Dictionary.

  • Pertaining to orthography; belonging to the writing of words with the proper letters; relating to the spelling of words: as, an orthographic error; orthographic reform.
  • In geometry, pertaining to right lines or angles.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Of or pertaining to orthography, or right spelling; also, correct in spelling
  • adjective (Geom.) Of or pertaining to right lines or angles.
  • adjective that projection which is made by drawing lines, from every point to be projected, perpendicular to the plane of projection. Such a projection of the sphere represents its circles as seen in perspective by an eye supposed to be placed at an infinite distance, the plane of projection passing through the center of the sphere perpendicularly to the line of sight.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Of a projection used in maps, architecture etc., in which the rays are parallel.
  • adjective Of, or relating to, orthography.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective of or relating to or expressed in orthography

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

ortho- + -graph + -ic. Compare French orthographique, Latin orthographus, Ancient Greek ὀρθογράφος (orthographos).

Examples

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