orthographic

Of or relating to orthography.

Spelled correctly.

Having perpendicular lines.

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.

Of or pertaining to orthography, or right spelling; also, correct in spelling

Of or pertaining to right lines or angles.

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.

Of a projection used in maps, architecture etc., in which the rays are parallel.