Definition, Meaning & Synonyms
tetrahedron
Noun
/ˌtɛtrəˈhiːdrən/
Definition
A solid shape that has four triangular faces.
Examples
- The pyramid is a type of tetrahedron.
- In chemistry, some molecules take the shape of a tetrahedron around a central atom.
- He built a model of a tetrahedron using straws and marshmallows.
Meaning
In geometry, a tetrahedron is the simplest form of a polyhedron, consisting of four triangular faces, six edges, and four vertices.
Synonyms
- triangular pyramid
- triangulated solid
