There are many options, the easiest of which are: the coordinates of the four vertices
or the lengths of the four edges.
A tetrahedron does not require any particular colour.
silicon-oxygen tetrahedron
I am not a tetrahedron!
silicon-oxygen tetrahedron
The term used to describe the basic building block of all silicate materials is a "silicon-oxygen tetrahedron." It consists of a silicon atom at the center bonded to four oxygen atoms in a tetrahedral arrangement.
A tetrahedron is a solid with 4 faces. The word is most commonly used to describe a triangular pyramid.
A tetrahedron has 4 faces.
A tetrahedron must be plane faced and so, it is just an ordinary tetrahedron.
Well, a tetrahedron has four sides. A regular tetrahedron is a triangular pyramid.
He faced a tetrahedron question in the exam paper. This is a sample sentence using the word tetrahedron.
A Tetrahedron. The most common form of a tetrahedron is called a regular tetrahedron, or a pyramid
A tetrahedron has 4 faces.