# Diagonal

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## diagonal

1. Maths connecting any two vertices that in a polygon are not adjacent and in a polyhedron are not in the same face
2. Maths a diagonal line or plane
3. Chess any oblique row of squares of the same colour
4. cloth marked or woven with slanting lines or patterns
5. one front leg and the hind leg on the opposite side of a horse, which are on the ground together when the horse is trotting

## Diagonal

Joins two nonadjacent sides of a polygon with a slanted or oblique direction from one corner to the other; their use in a square or rectangle produces two triangular shapes.

## Diagonal

a dense fabric of twisted cotton or wool yarn. Diagonals are characterized by sharp ribs on the surface running at an angle of more than 45° to the selvage. The ribs are obtained by proper selection of the ratio of the density and thickness of the warp and woof, as well as by the special interweaving of threads. Diagonal is used for uniforms (from wool warp and cotton woof), coats, and jackets.

## Diagonal

(1) The diagonal of a polygon is the line segment between two nonadjacent vertices. If the number of vertices of a polygon is n, then the number of diagonals is n(n -3)12.

(2) The diagonal of a polyhedron is the line segment between two vertices that do not lie on the same face.

## diagonal

[dī′ag·ən·əl]
(civil engineering)
A sloping structural member, under compression or tension or both, of a truss or bracing system.
(mathematics)
The set of points all of whose coordinates are equal to one another in an n-dimensional coordinate system.
A line joining opposite vertices of a polygon with an even number of sides.
(optics)
A plane mirror or prism face mounted near the eyepiece of a telescope at an angle to the light path, to redirect the light for convenience of observation or to reduce the intensity of the image of the sun so that it can be observed directly.
(textiles)
A heavy twilled fabric.

## diagonal

In a framed structure, an inclined member running across a panel, 7, e.g., as in a truss.
References in periodicals archive ?
On peut rappeler ici brieveinent les etapes de cette << specialisation >> qui combina, comme toujours chez ce grand promoteur des sciences diagonales, brillance et legerete.
Daar word gepraat van 'n diagonale lyn om die ligging van die figuur op die foto aan te dui, die liggaam word beskryf as gemoduleerde lug, daar word gese haar omtrek is perfek en dat sy tot volmaaktheid gestryk is deur 'n sublieme kreatiewe vinger.
As at PaceWildenstein, the first room contained a digital projection, alternating between Eggeling's Symphonie Diagonale, 1924, and Richter's Rhythmus 21, 1921, both seminal abstract films.
Diagonale, a half-sister to Charnwood Forest and Medaaly, and Maharani, a full-sister to Sri Pekan, are also in Motivator's book.
Apparecchi fotografici ad obiettivi multipli possono fotografare simultaneamente una parte del globo da un punto di vista verticale e diagonale, permettendo un risultato stereoscopico con la risoluzione di oggetti fino ad un metro di diametro.
La ricerca e il tracciato in diagonale di situazioni contrapposte, i cui fattori dirimenti sono la consapevolezza individuale e l'onere economico che tale consapevolezza individuale comporta nel comunitario sistema organizzativo.
Test dei movimenti --Test dell'inseguimento visivo oculari (Smooth Visual Pursuit): al paziente viene richiesto di tenere lo sguardo su un oggetto che si muove lentamente (<20/sec) attraverso il campo visivo in direzione orizzontale, verticale, e diagonale.
The sole lot by the 2005 Derby winner, out of Sheikh Mohammed's homebred French provinces winner Diagonale - a Darshaan half-sister to Group winners Charnwood Forest and Medaaly - set the early pace when selling for 76,000,000 yen (pounds 307,404/EUR453,435) to RRA Co.
Des appareils photo qui photographient simultanement un point de la Terre a partir d'une vue verticale et d'une autre diagonale nous offrent des resultats stereoscopiques avec une resolutions d'objets jusqu'a un metre de diametre.
Apparecchi fotografici ad obbiettivi multipli possono fotografare simultaneamente una parte del globo da un punto di vista verticale ed in diagonale, permettendo un risultato stereoscopico cpon la risoluzione di oggetti fino ad un metro di diametro.

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