triangle
ˈtraɪˌæŋɡəl
triangle: polygon with three sides and angles
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Definition Synonyms

Definition of triangle - Reverso English Dictionary

Noun

1.
mathematicspolygon with three sides and angles
  • The triangle has three equal sides.
trigon trilateral
2.
musicthree-sided metal percussion instrument
  • She played the triangle in the orchestra.
percussion instrument
3.
relationshipsituation involving three people or parties
  • Their friendship formed a complicated triangle.
love triangle ménage à trois threesome
4.
mathtool for drawing or measuring angles
  • He used a triangle to draw the blueprint.
protractor set square
5.
cue sportsequipment for arranging billiard balls
  • He racked the balls with a triangle.
rack
6.
rail transportTECH.UKtriangular formation of railway tracksTECH.UK
  • The train switched tracks at the triangle.
wye
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Images of triangle

  • triangle: polygon with three sides and angles
    polygon with three sides and angles
  • triangle: three-sided metal percussion instrument
    three-sided metal percussion instrument
  • triangle: equipment for arranging billiard balls
    equipment for arranging billiard balls
  • triangle: triangular formation of railway tracks
    triangular formation of railway tracks

Expressions with triangle

💡 Discover popular phrases, idioms, collocations, or phrasal verbs. Click any expression to learn more, listen to its pronunciation, or save it to your favorites.
romantic relationship involving three people, often with jealousy
The movie is about an eternal triangle.
romantic relationship involving three people
The movie revolves around a complex love triangle.
triangular sign used to alert drivers to potential hazards
He placed the warning triangle behind his car to signal the breakdown.
three elements needed for a fire: fuel, oxygen, heat
Understanding the fire triangle is crucial for fire safety.
three-sided regular polygon
The equilateral triangle is a basic shape in geometry.
triangle with one angle of 90 degrees
In geometry class, we learned how to calculate the area of a right triangle..

Origin of triangle

Latin, triangulum (three-cornered)

Terms with triangle included in their meaning

💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.
shape
shaped like a triangle
food
piece of food shaped like a triangle
billiards
triangle for aligning billiard balls
legn.
mathematics
side of a right triangle
geometry
side facing a specified angle in a triangle
geometry
angle at the apex of an isosceles triangle or cone
mathematics
side next to the right angle in a triangle
trigonometry
ratio of opposite side to hypotenuse in a triangle

Examples of triangle in a sentence

  • He drew a triangle on the chalkboard.
  • The triangle added a unique sound to the band.
  • He learned to play the triangle in music class.
  • The love triangle caused tension among the group.
  • Negotiations turned into a political triangle.
  • Use a triangle to check whether the corner is square.

View all translations of triangle

Click below to see the appropriate translations facing each meaning.
  1. French:triangle, trio, ...
  2. German:Dreieck, Triangel, ...
  3. Italian:triangolo, triangolo amoroso, ...
  4. Spanish:triángulo, escuadra, ...
  5. Portuguese:triângulo, triângulo amoroso, ...
  6. Chinese:三角形, 三角铁, ...
  7. Japanese:三角形, 三角形の楽器, ...
  8. Arabic:مُثَلَّث, علاقة ثلاثية, ...
  9. Hebrew:מְשׁוּלָּשׁ, טְרַיְאַנְגֶּל, ...
  10. Russian:треугольник, тройственный союз, ...
  11. Ukrainian:трикутник, любовний трикутник, ...
  12. Hindi:त्रिभुज, त्रिकोण, ...
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