释义 |
del·to·he·dron \-ˈhēdrən\ noun (plural deltohe·dra \-drə\) Etymology: New Latin, from delto- + -hedron : a solid (as a crystal) that is bounded by 12 quadrilateral faces and is a hemihedral form of the isometric system related to the tetrahedron — called also deltoid dodecahedron, tetragonal tristetrahedron |