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2 definitions found
 for Orthogonal projection
From The Collaborative International Dictionary of English v.0.48 :

  Orthogonal \Or*thog"o*nal\, a. [Cf. F. orthogonal.]
     Right-angled; rectangular; as, an orthogonal intersection of
     one curve with another.
     [1913 Webster]
     Orthogonal projection. See under Orthographic.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Orthographic \Or`tho*graph"ic\, Orthographical
  \Or`tho*graph"ic*al\, a. [Cf. F. orthographique, L.
     orthographus, Gr. ?.]
     1. Of or pertaining to orthography, or right spelling; also,
        correct in spelling; as, orthographical rules; the letter
        was orthographic.
        [1913 Webster]
     2. (Geom.) Of or pertaining to right lines or angles.
        [1913 Webster]
     Orthographic projection or Orthogonal projection, 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.
        [1913 Webster]

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