# orthogonal

Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.

## or·thog·o·nal

(ôr-thŏg′ə-nəl)*adj.*

**1.**Relating to or composed of right angles.

**2.**

*Mathematics*

**a.**Of or relating to a matrix whose transpose equals its inverse.

**b.**Of or relating to a linear transformation that preserves the length of vectors.

**3.**Very different or unrelated; sharply divergent: "Radical Islamists are ultimately seeking to create something orthogonal to our model of democracy" (Richard A. Clarke).

**or·thog′o·nal′i·ty**(-năl′ĭ-tē)

*n.*

**or·thog′o·nal·ly**

*adv.*

## orthogonal

(ɔːˈθɒɡənəl)*adj*

**1.**(Mathematics) relating to, consisting of, or involving right angles; perpendicular

**2.**(Mathematics)

*maths*

**a.**(of a pair of vectors) having a defined scalar product equal to zero

**b.**(of a pair of functions) having a defined product equal to zero

**orˈthogonally**

*adv*

## or•thog•o•nal

(ɔrˈθɒg ə nl)*adj.*

**2.**

*Crystall.*referable to a rectangular set of axes.

[1565–75; obsolete

*orthogon(ium)*right triangle]**or•thog′o•nal•ly,**

*adv.*

**or•thog`o•nal′i•ty,**

*n.*

ThesaurusAntonymsRelated WordsSynonyms

**Legend:**Switch to new thesaurus

Adj. | 1. | orthogonal - 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"irrelevant - having no bearing on or connection with the subject at issue; "an irrelevant comment"; "irrelevant allegations" |

2. | orthogonal - statistically unrelatedunrelated - lacking a logical or causal relation | |

3. | orthogonal - 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"perpendicular - intersecting at or forming right angles; "the axes are perpendicular to each other" |

Translations

Want to thank TFD for its existence? Tell a friend about us, add a link to this page, or visit the webmaster's page for free fun content.

Link to this page: