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Definition of Diagonal


  1. Joining two not adjacent angles of a quadrilateral or multilateral figure; running across from corner to corner; crossing at an angle with one of the sides.
  2. A right line drawn from one angle to another not adjacent, of a figure of four or more sides, and dividing it into two parts.
  3. A member, in a framed structure, running obliquely across a panel.
  4. A diagonal cloth; a kind of cloth having diagonal stripes, ridges, or welts made in the weaving.

Diagonal Quotations

A piece of wall can be visually disintegrated from the whole into a separate triangle by plunging a diagonal of light from edge to edge on the wall; that is, side to floor, for instance.
Dan Flavin

The line of life is a ragged diagonal between duty and desire.
William R. Alger

If you direct your attention to the position of a bird with regard to the wave surface, it will speedily be noticed to be nearly always on the rising side or face of the wave and moving apparently at right angles to the wave's course, but really diagonal to it.
Lawrence Hargrave
More "Diagonal" Quotations

Diagonal Translations

diagonal in French is diagonale
diagonal in German is Diagonale, diagonal
diagonal in Spanish is diagonal
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