triangular
Longman Dictionary of Contemporary English 5++LDOCE 5++tri·an·gu·lar /traɪˈæŋɡjələ $ -ər/ ●○○ adjective 1. CFshaped like a triangle 三角（形）的2 COMPETITIONinvolving three people or teams 涉及三人的；三方之间的 a triangular sporting competition 一项由三方参加的体育比赛
Examples from the Corpus
triangular• The dorsal arm plates are triangular and nearly contiguous.• On the night stand was a translucent orb atop a triangular clock.• Another looked like a triangular knife at the end of a long stick.• a triangular relationship• Now I saw why, when viewed from the side, the album had such a strange, triangular shape.• The dorsal arm plates are bell shaped or triangular with a convex distal edge and are separated.tri·an·gu·lar adjectiveChineseSyllable
a Corpus like triangle shaped
triangular
tri‧an‧gu‧lar /traɪˈæŋɡjələ, traɪˈæŋɡjʊlə $ -ər/
adjective
1. shaped like a triangle
2. involving three people or teams:
a triangular sporting competition
■ describing types of shapes
▪square shaped like a square: a square box
▪circular/round shaped like a circle: a circular table
▪semicircular shaped like a semicircle: a semicircular arch above the door
▪triangular shaped like a triangle: sails divided into triangular sections
▪rectangular shaped like a rectangle: a simple rectangular building
▪oval shaped like an oval: an oval swimming pool
▪cylindrical shaped like a cylinder: The statue is on top of a tall cylindrical column.
▪spherical shaped like a ball: The planet Saturn is not completely spherical.
tri‧an‧gu‧lar /traɪˈæŋɡjələ, traɪˈæŋɡjʊlə $ -ər/
adjective1. shaped like a triangle
2. involving three people or teams:
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