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orthogonal (adj.)
"pertaining to or depending upon the use of right angles," 1570s, from French orthogonal, from orthogone, from Late Latin orthogonius, from Greek orthogonios "right-angled," from ortho- "straight" (see ortho-) + gōnia "angle, corner" (from PIE root *genu- (1) "knee; angle"). Related: Orthogonally; orthogonality.
updated on October 02, 2019
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Dictionary entries near orthogonal
orthodontics
orthodontist
orthodox
orthodoxy
orthognathous
orthogonal
orthographic
orthography
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orthopedic
orthopedics