triangular

[ trahy-ang-gyuh-ler ]

/ traɪˈæŋ gyə lər /

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See synonyms for triangular on Thesaurus.com

adjective

pertaining to or having the form of a triangle; three-cornered.

having a triangle as base or cross section: a triangular prism.

comprising three parts or elements; triple.

pertaining to or involving a group of three, as three persons, parties, or things.

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Origin of triangular

1535–45; <Latin triangulāris, equivalent to triangul(um) triangle + -āris-ar¹

OTHER WORDS FROM triangular

tri·an·gu·lar·i·ty

[trahy-ang-gyuh-lar-i-tee], /traɪˌæŋ gyəˈlær ɪ ti/, nountri·an·gu·lar·ly, adverbsub·tri·an·gu·lar, adjectivesub·tri·an·gu·lar·i·ty, noun

Words nearby triangular

triamcinolone, Trianda, triangle, triangle inequality, triangle of forces, triangular, triangular matrix, triangular trade, triangulate, triangulation, triangulation station

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use triangular in a sentence

A tetrahedron has a triangular base and three triangular sides that form a pyramid.
Tetrahedron Solutions Finally Proved Decades After Computer Search|Kevin Hartnett|February 2, 2021|Quanta Magazine
The curved handle means it can be grasped firmly and comfortably from a variety of angles, and the triangular nose of the brush can reach even the smallest of nooks.
Grout scrub brushes that tackle even the toughest stains|PopSci Commerce Team|January 19, 2021|Popular-Science
They’re typically shaded blue, with triangular flags pointing in the direction of the front’s forward movement.
How to Read a Surface Weather Map|Dennis Mersereau|October 15, 2020|Outside Online
Shaded in an updated bipartisan purple, the triangular symbol is clicked to surface information including advertiser name and address, information about contributions and expenditures made by the advertiser and other disclaimers.
‘Wouldn’t make economic sense’: Despite hyped targeting restrictions on 2020 political ads, few new limits are in place|jim cooper|October 12, 2020|Digiday

Two developers submitted dueling bids for the right to revamp a 48-acre triangular stretch of land off Sports Arena Boulevard in San Diego’s Midway District.
Nobody’s Talking About the Sports Arena Flood Zone|MacKenzie Elmer|August 19, 2020|Voice of San Diego
The dominant silhouette in the collection was an A-line, triangular shape with narrow shoulders and a full skirt.
Paris Fall Fashion Week Ends With Vuitton and Kanye|Robin Givhan|March 7, 2012|DAILY BEAST
“Those pink, triangular houses are very much a symbol for strangeness,” said Pickwoad.
Gilding the Prisoner's Cage|Jace Lacob|November 14, 2009|DAILY BEAST
There is an odd triangular-shaped hill that rises on one side very boldly and abruptly, called the Fox's Head.
Music-Study in Germany|Amy Fay
As stated in the chapter on astronomy, some trace of the triangular form appears in the land masses of the planet Mars.
Outlines of the Earth's History|Nathaniel Southgate Shaler
The upper ones have their costa blackish, and a triangular border at their extremity rather dentated on the inside.
Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]|Phillip Parker King
The treeless part of the plains, the prairie proper, has a triangular shape with an area twice as large as that of Great Britain.
Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 2|Various
This is a southern barrier of the Kremlin and is a fortress of nearly triangular shape.
Ways of War and Peace|Delia Austrian

British Dictionary definitions for triangular

triangular

/ (traɪˈæŋɡjʊlə) /

adjective

Also: trigonal of, shaped like, or relating to a triangle; having three corners or sides

of or involving three participants, pieces, or units

maths having a base shaped like a triangle

Derived forms of triangular

triangularity (traɪˌæŋɡjʊˈlærɪtɪ), nountriangularly, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

triangular

Origin of triangular

OTHER WORDS FROM triangular

Words nearby triangular

Words related to triangular

How to use triangular in a sentence

British Dictionary definitions for triangular

Derived forms of triangular