trihedral
Upper-Intermediate (B2)
IPA: //traɪˈhɛrdl//
KK: /traɪˈhɛrdl/
adjective
Definition
Describing a shape or solid that has three flat surfaces or faces that meet at a point.
Example
The architect designed a trihedral structure that stood out in the skyline.
Conversation
Have you ever seen a trihedral shape in real life?
Yeah, I think I saw one in a geometry class once.
It's fascinating how those three planes come together.
Definitely! It makes you appreciate the complexity of shapes.
Synonyms & Antonyms
Synonyms
triangular
threefold
triple
Antonyms
monoidal
single
dual
noun
Definition
A three-dimensional geometric shape that has three flat surfaces or faces.
Example
The architect designed a building with a unique trihedral shape.
Conversation
Have you ever seen a trihedral shape in real life?
Not really, what does it look like?
It's basically a three-sided figure, like a corner of a room.
Root Explanation
Trihedral → It is formed from "tri-" (meaning three) and "hedron" (from Greek "hedra", meaning face or base). The word "trihedral" refers to a geometric shape that has three faces or sides.
Memory Tip
Think of 'three' ('tri-') and 'faces' ('hedron') to remember that 'trihedral' describes a shape with three faces.
Visually Confused Words
subtrihedral
tripedal
dihedral
tetrahedral