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diagonal

dia·go·nal

US/daɪ̯ˈæɡ(ə)nəl/ uncommon
adjective (2) noun (5)

adjective

1.

at an angle; especially connecting two nonadjacent corners of a plane figure or any two corners of a solid that are not in the same face

  • “a diagonal line across the page”
Similar
2.

noun

1.

(geometry) a straight line connecting any two vertices of a polygon that are not adjacent

2.

a line or cut across a fabric that is not at right angles to a side of the fabric

Synonyms
3.

an oblique line of squares of the same color on a checkerboard

  • “the bishop moves on the diagonals”
4.

(mathematics) a set of entries in a square matrix running diagonally either from the upper left to lower right entry or running from the upper right to lower left entry

5.

Origin

From Middle French diagonal, from Latin diagōnālis, from Ancient Greek διαγώνιος (diagṓnios, “from angle to angle”), from διά (diá, “across”) + γωνία (gōnía, “angle”).

Phrases

  • broken diagonal
  • diagonal argument
  • diagonal calendar
  • diagonal cutters
  • diagonal element
  • diagonal mark
  • diagonal matrix
  • diagonal morphism
  • diagonal scale

Related words

Word family

Broader terms

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.