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Definition of Orthogonal
1. Adjective. Not pertinent to the matter under consideration. "Mentioned several impertinent facts before finally coming to the point"
Exact synonyms: Extraneous, Immaterial, Impertinent
Similar to: Irrelevant
Derivative terms: Extraneousness, Immateriality
Similar to: Irrelevant
Derivative terms: Extraneousness, Immateriality
2. Adjective. Statistically unrelated.
Similar to: Unrelated
3. Adjective. Having a set of mutually perpendicular axes; meeting at right angles. "A rectangular Cartesian coordinate system"
Definition of Orthogonal
1. a. Right-angled; rectangular; as, an orthogonal intersection of one curve with another.
Definition of Orthogonal
1. [adj]
Medical Definition of Orthogonal
1. Right-angled; rectangular; as, an orthogonal intersection of one curve with another. Orthogonal projection. See Orthographic. Origin: Cf. F. Orthogonal. Source: Websters Dictionary (01 Mar 1998)