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trisoctahedron

Advanced (C1/C2)

IPA: /trɪˌsoʊkˈteɪdrən/

KK: /trɪˌsoʊkˈtæhɪdrən/

noun
Definition

A three-dimensional shape that has 24 equal flat surfaces, with each group of three surfaces corresponding to one surface of an octahedron.


Example

The trisoctahedron is an interesting shape studied in geometry and crystallography.


Conversation
Sloth A
Have you ever seen a trisoctahedron before?
Sloth B
No, I haven't. What does it look like?
Sloth A
It's a fascinating shape with 24 equal faces — really unique!
Sloth B
That sounds cool! I’d love to check one out sometime.

Synonyms & Antonyms
Synonyms
polyhedron
solid
crystal
Antonyms
sphere
circle
disk
Root Explanation

Trisoctahedron is formed from "tri-" (meaning three), "octa-" (from Greek "oktahedron", meaning eight faces), and "-hedron" (from Greek "hedra", meaning face or base). The word describes a three-dimensional shape with eight faces, specifically a type of polyhedron.

Memory Tip

Think of 'three' ('tri-') and 'eight faces' ('octa-') to remember that a trisoctahedron is a shape with three sets of eight faces.

Visually Confused Words
triakisoctahedron
octahedron
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