Skip to main content
diagonal

diagonal

9 3.7
A straight line joining two opposite corners of a shape
  • noun
  • /daɪˈæɡənl/
translation icon : diagonal
  • The tables spiral out from the tree: two white tablecloths draped at diagonals to each other.
  • diagonal crack
  • main diagonal
  • two diagonals

Cute little short sleeves and a little ruffle across the top horizontal, no diagonal.

Autoplay Next

Examples

  • The city's main train track runs in a northwest to southeast diagonal across the mainland.

    Academic text (2008)
  • The tabletop bends on a diagonal so all legs contact the floor.

    Academic text (2009)
  • So you develop diagonal lines through the system, and I can draw in other diagonal lines which would be found.

  • So the people on the diagonal stayed in the same place.

  • We take the perpendicular to the diagonal and we get BE.

  • She's been searching for a mostly red piece with a thin diagonal of yellow across its foot.

    Fiction book (1996)
  • And you're just going to draw a diagonal line across the cookie and then make a little rectangle.

  • Wineshop and mill form a strong corner-to-corner diagonal from lower right to upper left.

    Academic text (2002)
  • OK, Remember guys, on a rhombus and a square, the diagonals are perpendicular, right?

  • The city's main train track runs in a northwest to southeast diagonal across the mainland.

Synonyms

bias
vsdiagonal
  • Specialized
6 7.0

A diagonal cut across fabric that helps it hang smoothly

is the general slanted straight line joining non adjacent corners of a shape

Compounds

diagonal matrix
  • Specialized
6.0

A square table of numbers that has numbers only from the top left to the bottom right and zeros elsewhere

main diagonal
  • Specialized
5.8

The line of numbers in a square table from the top left to the bottom right

principal diagonal
  • Specialized
5.6

A line of numbers in a square table that runs from the top left to the bottom right

secondary diagonal
  • Specialized
6.8

A line of numbers in a square grid that runs from the bottom left to the top right

How Angled

sidelong
1 7.1
diagonal
9 3.7
slanted
3.9
tilted
2.5
straight
1.0

Surface Forms

diagonal singular
diagonals plural

Etymology

The word diagonal comes from Greek parts dia- 'through' and gonia 'angle', so it literally meant a line 'across an angle' that joins two opposite corners of a shape. That's why a diagonal in a square or on a game board goes from one corner to the other.