orthogonal, rectangular
(adjective) 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”
orthogonal
(adjective) statistically unrelated
extraneous, immaterial, impertinent, orthogonal
(adjective) 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”
Source: WordNet® 3.1
orthogonal (not comparable)
(geometry) Of two objects, at right angles; perpendicular to each other.
(mathematics)
Of a pair of vectors: having a zero inner product; perpendicular.
Of a square matrix: such that its transpose is equal to its inverse.
Of a linear transformation: preserving its angles.
Of grid graphs, board games and polyominoes: vertical or horizontal but not diagonal.
Of a pair of elements in an ortholattice: each less than or equal to the orthocomplement of the other.
(statistics) Statistically independent, with reference to variates.
(software engineering) Of two or more aspects of a problem, able to be treated separately.
Of two or more problems or subjects, independent of or irrelevant to each other.
orthogonal (plural orthogonals)
An orthogonal line
Source: Wiktionary
Or*thog"o*nal, a. Etym: [Cf. F. orthogonal.]
Definition: Right-angled; rectangular; as, an orthogonal intersection of one curve with another. Orthogonal projection. See under Orthographic.
Source: Webster’s Unabridged Dictionary 1913 Edition
24 February 2025
(noun) (astronomy) position of a planet as defined by its angular distance from its perihelion (as observed from the sun)
The Boston Tea Party helped popularize coffee in America. The hefty tea tax imposed on the colonies in 1773 resulted in America switching from tea to coffee. In the lead up to the Revolutionary War, it became patriotic to sip java instead of tea. The Civil War made the drink more pervasive. Coffee helped energize tired troops, and drinking it became an expression of freedom.
