triangle

CEFRA1

/ˈtɹaɪəŋɡəl/

noun

Türkçe translations

Translating…

In plain English

  1. 01

    noun

    A flat shape with three straight sides and three angles.

  2. 02

    noun

    Extra detail

    A percussion instrument made by forming a metal rod into a triangular shape which is open at one angle. It is suspended from a string and hit with a metal bar to make a resonant sound.

Examples

  • If a figure has three sides, it is a triangle.

  • The sum of all the angles in a triangle equals 180 degrees.

At a glance

Sits at A1 on the CEFR scale

Senses
5
Parts of speech
1
Citations
4
Synonyms
3

Deep Dive

noun

Extra meanings

  1. A set square.

  2. A polygon with three sides and three angles.

  3. A triangular piece of equipment used for gathering the balls into the formation required by the game being played.

More examples

In context

  • I moved to the Triangle two years ago.

  • One of the writers' most pleasing inventions was to treat the triangle love story as comedy.

  • It is hard to define "triangle."

Synonyms

Quick test

Two questions on this entry. Nothing is scored.

Question 1 · Quick check

The artist drew a perfect blank with three equal sides and angles using a ruler.

Practise this properly in the app, where the word comes back before you forget it.

Nearby

Origin

noun

PIE word *tréyes From Middle English triangle, from Old French triangle, from Latin triangulum, noun use of adjective triangulus (“three-cornered, having three angles”), from trēs (“three”) + angulus (“corner, angle”), equivalent to tri- + -angle.