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."In geometry class, we learned that dodecahedrons are shapes with twelve faces, like a special type of dice. "幾何学の授業で、十二面体は特別なサイコロのように、12の面を持つ形だと学びました。mathfigurestructureChat with AIVocabulary GamePractice Reading