Hypertext Webster Gateway: "orthogonal"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Orthogonal \Or*thog"o*nal\, a. [Cf. F. orthogonal.]
Right-angled; rectangular; as, an orthogonal intersection of
one curve with another.
{Orthogonal projection}. See under {Orthographic}.
From WordNet (r) 1.7 (wn)
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"; "a
rectangular Cartesian coordinate system" [syn: {rectangular}]
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