noun🔗Share十二面体A polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and is one of the Platonic solids."The math teacher showed us a model of a dodecahedron made of cardboard. "数学の先生は、ボール紙で作られた十二面体の模型を見せてくれました。mathstructureChat with AIVocabulary GamePractice Reading