Adjacent Words

Orthogonal definitions

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Webster's 1828 Dictionary

ORTHOG'ONAL, a. Right angled; rectangular.

WordNet (r) 3.0 (2005)

adj
1: not pertinent to the matter under consideration; "an issue extraneous to the debate"; "the price was immaterial"; "mentioned several impertinent facts before finally coming to the point" [syn: extraneous, immaterial, impertinent, orthogonal]
2: statistically unrelated
3: 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: orthogonal, rectangular]

Merriam Webster's

adjective Etymology: Middle French, from Latin orthogonius, from Greek orthog?nios, from orth- + g?nia angle — more at -gon Date: 1612 1. a. intersecting or lying at right angles b. having perpendicular slopes or tangents at the point of intersection <orthogonal curves> 2. having a sum of products or an integral that is zero or sometimes one under specified conditions: as a. of real-valued functions having the integral of the product of each pair of functions over a specific interval equal to zero b. of vectors having the scalar product equal to zero c. of a square matrix having the sum of products of corresponding elements in any two rows or any two columns equal to one if the rows or columns are the same and equal to zero otherwise ; having a transpose with which the product equals the identity matrix 3. of a linear transformation having a matrix that is orthogonal ; preserving length and distance 4. composed of mutually orthogonal elements <an orthogonal basis of a vector space> 5. statistically independent • orthogonality noun • orthogonally adverb

Oxford Reference Dictionary

adj. of or involving right angles. Etymology: F f. orthogone (as ORTHO-, -GON)

Webster's 1913 Dictionary

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.

Moby Thesaurus

cube-shaped, cubed, cubic, cubiform, cuboid, diced, foursquare, normal, oblong, orthodiagonal, orthometric, perpendicular, plumb, plunging, precipitous, quadrangular, quadrate, quadriform, quadrilateral, rectangular, rhombic, rhomboid, right-angle, right-angled, right-angular, sheer, square, steep, straight-up, straight-up-and-down, tetragonal, tetrahedral, trapezohedral, trapezoid, up-and-down