was wotd|2006|April|25
English

Etymology
Mediaeval L. orthogonalis, from Latin orthogonius "right-angled".

Pronunciation
IPA|/�:'θ�g�n�l/
audio|en-us-orthogonal.ogg|Audio (US)

Adjective
orthogonal (non-comparable)

1. geometry pertaining to right angles; perpendicular (to)

#: A chord and the radius that bisects it are orthogonal.

1. mathematical use

## Of two functions, linearly independent; having a zero inner product.
##: The normal vector and tangent vector at a given point are orthogonal.
## Of a square matrix that is the inverse of its transpose
## Of a linear transformation that preserves angles

1. statistics statistically independent, with reference to variates
2. software engineering Able to be treated separately.

#: The content of the message should be orthogonal to the means of its delivery.

Related terms
orthogonalization
orthogonal base
orthogonal matrix
orthogonal transform
orthonormal

Translations
trans-top|of right angles
Dutch: orthogonaal, loodrecht
French: orthogonal#French|orthogonal
German: rechtwinklig
trans-mid
Hungarian: ortogonális
Swedish: ortogonal, vinkelrät, rätvinklig
trans-bottom

trans-top|mathematical term
Dutch: orthogonaal
French: orthogonal#French|orthogonal
German: orthogonal
trans-mid
Hungarian: ortogonális
Swedish: ortogonal
trans-bottom

trans-top|statistically independent
French: orthogonal#French|orthogonal
trans-mid
Swedish: ortogonal
trans-bottom

trans-top|able to be treated separately
French: indépendant
trans-mid
trans-bottom

French

Etymology
Mediaeval Latin orthogonalis, from late Latin orthogonius "right-angled".

Pronunciation
IPA|/��t�g�nal/

Adjective
orthogonal (m pl orthogonaux)

1. orthogonal#English|orthogonal

Category:French adjectives
Category:Geometry
Category:Mathematics

de:orthogonal
fr:orthogonal
io:orthogonal
pl:orthogonal
ru:orthogonal
sv:orthogonal
vi:orthogonal
zh:orthogonal

• 2007-06-13 22:52 - AutoFormat - -(''geometry'') +{{geometry}}, -(''statistics'') +{{statistics}}, -(''software engineering'') +{{software engineering}}, header -Related Terms +Related terms, -{{top}} +{{trans-top|of right angles}}, -{{top}} +{{trans-top|mathematical term}}, -{{top}

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