diagonal (redirected from diagonally)

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

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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 ann-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.