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Triangle vs Trapezium - What's the difference?

triangle | trapezium |

As a proper noun triangle

is the area comprising the cities of used with "the" except when attributive.

As a noun trapezium is

(geometry|british) a four-sided polygon with two sides parallel; a trapezoid (modern sense).

triangle

English

Noun

(en noun)
  • (geometry) A polygon with three sides and three angles.
  • (music) 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.
  • (cue sports) A triangular piece of equipment used for gathering the balls into the formation required by the game being played.
  • A love triangle.
  • * 2009 , Neil McDonald, Quadrant , November 2009, No. 461 (Volume LIII, Number 11), Quadrant Magazine Limited, page 104:
    • One of the writers' most pleasing inventions was to treat the triangle love story as comedy.
  • (systemics) The structure of systems composed with three interrelated objects.
  • A draughtsman's square in the form of a right-angled triangle.
  • (historical) A frame formed of three poles stuck in the ground and united at the top, to which soldiers were bound when undergoing corporal punishment.

    • Synonyms

    * (polygon) trigon (rare) * (love triangle) love triangle, * See also

    Derived terms

    * acute-angled triangle * acute triangle * anal triangle * Bermuda Triangle * black triangle * circular triangle * cyclic triangle * Devil's Triangle * equilateral triangle * eternal triangle * femoral triangle * golden triangle * Golden Triangle * isosceles triangle * love triangle * North Atlantic Triangle * obtuse-angled triangle * obtuse triangle * Pascal's triangle * Polynesian Triangle * pubic triangle * Reuleaux triangle * right-angled triangle * right triangle * scalene triangle * set triangle * Sierpinski triangle * spherical triangle * star-triangle relation * Sunni Triangle * triangle choke * triangle inequality * triangle offense * triangle piercing * triangle test * triangle wave * triangular * triangular distribution * triangular function * triangular prism * triangulate * triangulation

    External links

    * (Triangle) * *

    Anagrams

    * * * * ----

    trapezium

    English

    Noun

    (en-noun)
  • (geometry, British) A four-sided polygon with two sides parallel; a trapezoid (modern sense)
  • (geometry, US) A four-sided polygon with no parallel sides and no sides equal; a simple convex irregular quadrilateral.
  • (anatomy) The trapezium bone of the wrist.
  • A region on the ventral side of the brain, either just back of the pons Varolii, or, as in man, covered by the posterior extension of its transverse fibers.

    • Usage notes

    * The terms (trapezium) and (trapezoid) have partially swapped meanings in the US and Canada as compared with the rest of the world.

    Synonyms

    * (US) trapezoid * (British) irregular quadrilateral.

    Related terms

    * trapeze * trapeziform * trapezius * trapezoid English nouns with irregular plurals ----