Orthogonal Definition

Having to do with right angles; perpendicular; rectangular.
Webster's New World
Of or relating to a matrix whose transpose equals its inverse.
American Heritage
Of or relating to a linear transformation that preserves the length of vectors.
American Heritage
Very different or unrelated; sharply divergent.
American Heritage

Origin of Orthogonal

  • From Greek orthogōnios ortho- ortho- gōniā angle genu-1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Medieval Latin orthogonalis, from Latin orthogonius (“right-angled").

    From Wiktionary

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