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Definition of orthogonal


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or·thog·o·nal  audio  (ôr-thg-nl) KEY 

ADJECTIVE:
  1. Relating to or composed of right angles.
  2. Mathematics
    1. Of or relating to a matrix whose transpose equals its inverse.
    2. Of or relating to a linear transformation that preserves the length of vectors.

ETYMOLOGY:
From Greek orthognios : ortho-, ortho- + gni, angle; see genu-1 in Indo-European roots

OTHER FORMS:
or·thogo·nali·ty  (-nl-t) KEY (Noun), or·thogo·nal·ly(Adverb)


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