noun🔗ShareTétraèdreA polyhedron with four faces; the regular tetrahedron, the faces of which are equal equilateral triangles, is one of the Platonic solids."The student built a model of a tetrahedron for her geometry project, using four equilateral triangles to form its faces. "L'étudiant a construit une maquette d'un tétraèdre pour son projet de géométrie, en utilisant quatre triangles équilatéraux pour former ses faces.mathstructureChat with AIVocabulary GamePractice Reading
