adjective
- having the shape of a tetrahedron; having four triangular faces
Usage: geometry; chemistry
Examples
- The methane molecule has a tetrahedral structure.
- Diamond crystals form in a tetrahedral arrangement.
- The tetrahedral shape maximizes the distance between electron pairs.
- Students built tetrahedral models using toothpicks and marshmallows.
- The tetrahedral dice has four triangular faces.
- Silicon atoms bond in a tetrahedral configuration.