triangular

[ trahy-ang-gyuh-ler ]

adjective

1. pertaining to or having the form of a triangle; three-cornered.
2. having a triangle as base or cross section:

   a triangular prism.

3. comprising three parts or elements; triple.
4. pertaining to or involving a group of three, as three persons, parties, or things.

triangular

/ traɪˌæŋɡjʊˈlærɪtɪ; traɪˈæŋɡjʊlə /

adjective

1. Alsotrigonal of, shaped like, or relating to a triangle; having three corners or sides
2. of or involving three participants, pieces, or units
3. maths having a base shaped like a triangle

Derived Forms

• triangularity, noun
• triˈangularly, adverb

Other Words From

• tri·an·gu·lar·i·ty [trahy-ang-gy, uh, -, lar, -i-tee], noun
• tri·angu·lar·ly adverb
• subtri·angu·lar adjective
• subtri·angu·lari·ty noun

Word History and Origins

Origin of triangular¹

1535–45; < Latin triangulāris, equivalent to triangul ( um ) triangle + -āris -ar ¹

Example Sentences

Think of the toddler's classic hammer-and-bench toy, with square, circular, triangular and star-shaped wooden pegs that can each only fit in the correspondingly shaped hole in the bench.

From Science Daily

The stands consist of two triangular hardwood structures that clip together through magnets, with naturally tanned leather attachments for the guitars to rest on.

From Los Angeles Times

On Friday, Soboroff and Johnson returned with a new schematic showing 50 units on a triangular parking lot in the center of the campus.

From Los Angeles Times

A few minutes later, we found ourselves disgorged onto a triangular patch of land across Highland from the Bowl’s entrance, which we could easily access via a pedestrian underpass.

From Los Angeles Times

The armoured convoys are sporting white triangular insignias, seemingly to distinguish them from hardware used within Ukraine itself.

From BBC

Related Words

• trilateral