triangular

[ trahy-ang-gyuh-ler ]
/ traɪˈæŋ gyə lər /

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.

QUIZZES

QUIZ YOURSELF ON THESE WORDS FROM BROWN GIRL DREAMING!

Visualize yourself passing this quiz on words from Jacqueline Woodson’s exquisite verse novel “Brown Girl Dreaming,” and then take the quiz to prove you can do it! (Because you can.)
Question 1 of 10
What does “barren” mean?

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for triangular

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