正せい六ろく面めん体たい

noun

regular hexahedron; cube

Mathematical term for a cube, emphasizing its regularity as a Platonic solid.

• 正せい六ろく面めん体たいは、すべての面めんが正せい方ほう形けいである立りっ体たいです。

  A regular hexahedron is a solid whose faces are all squares.