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triangular

triangular

23 2.7
A shape with three straight sides and three angles
  • adjective
  • /traɪˈæŋɡjələr/
translation icon : triangular
  • During the math class, we learned that a triangular shape has three sides and three angles.
  • triangular shape
  • triangular formation
  • triangular configuration

So it's a plastic triangular sleeve with a piece of pizza in it.

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Examples

  • Now, the island is basically triangular.

  • It has a really nice triangular shape.

  • It's sort of like a, a triangular shape.

  • Well, R is upper triangular like so.

  • I had a triangular cut right here.

  • And you cover over that with a triangular piece of leather.

  • His eyes look black in the triangular shadow that cuts across the room.

    Fiction book (1994)
  • So you have this kind of triangular looking shape to the dragon fruit.

  • The answer is there's just giant triangular windows in the front.

  • But on the first night, a small triangular shaped craft actually landed in Rendlesham Forest.

Synonyms

trilateral
vstriangular
5 7.4

Having three sides or involving three countries

means the physical three-part shape rather than joint relations
three-sided
vstriangular
1 1.5

Having three sides

also emphasizes the three angles as part of the shape
three-cornered
vstriangular
1 3.6

Having three corners

refers to the complete form including sides not only corners
tricornered
vstriangular
  • Archaic
6.7

Having three corners or points like an old hat

gives the general geometric sense covering sides and angles

Compounds

triangular bandage
  • Specialized
4.1

A large triangle of cloth used to support an injured arm by tying it around the neck

triangular prism
  • Specialized
5.2

A solid shape that has two equal triangle ends and three rectangular sides joining them

How Wedge-shaped

cuneal
  • Specialized
9.9
wedge-shaped
1 3.9
tapering
4.7
triangular
23 2.7

Surface Forms

triangular positive
triangularer comparative
triangularest superlative

Morphology

triangular = triangle (transparent) = triangle + ar

The adjective is a straightforward derivation from 'triangle' meaning 'having the properties of a triangle'.

Etymology

Triangular comes from the parts tri- 'three' and angle 'corner', like in triangle or tricycle, so it means 'having three corners or sides'.