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.

Entries linking to orthogonal

ortho-

before vowels orth-, word-forming element meaning "straight, upright, rectangular, regular; true, correct, proper," now mostly in scientific and technical compounds, from Greek orthos "straight, true, correct, regular," from PIE *eredh- "high" (source also of Sanskrit urdhvah "high, lofty, steep," Latin arduus "high, steep," Old Irish ard "high").

*genu- (1)

Proto-Indo-European root meaning "knee; angle."

It forms all or part of: agonic; decagon; diagonal; geniculate; genuflect; genuflection; -gon; goniometer; heptagon; hexagon; knee; kneel; octagon; orthogonal; pentagon; polygon; trigonometry.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit janu, Avestan znum, Hittite genu "knee;" Greek gony "knee," gōnia "corner, angle;" Latin genu "knee;" Old English cneo, cneow "knee."

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Definitions of orthogonal

orthogonal (adj.)

not pertinent to the matter under consideration;

Synonyms: extraneous / immaterial / impertinent

orthogonal (adj.)

statistically unrelated;

orthogonal (adj.)

having a set of mutually perpendicular axes; meeting at right angles;

wind and sea may displace the ship's center of gravity along three orthogonal axes

Synonyms: rectangular

From wordnet.princeton.edu

Dictionary entries near orthogonal

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orthodontist

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orthodoxy

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orthopedic

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