Another name for observations is Data. Biology
Another name for rainbow is "spectral arc."
Thylakoid is another name for this chloroplast.
Another name for a Glitterball is a Mirror Ball.
truncheon
Cube, if the hexahedron is normal.
hexahedron
A rectangular prism or a hexahedron.
A regular hexahedron
hexahedron and by the way im in fith grade
hexahedron is the name of a 3d hexagon
cube
A hexahedron! Seriously, latin it out. Hexahedron (6-sided shape) I think we normally call those cubes.
Hexahedron
A polygon is a 2-dimensional shape whereas a hexahedron is 3-dimensional. Therefore a polygon that is a hexahedron could by called a geometric impossibility.
A hexahedron.
There are seven topologically different types of convex hexahedra and three concave ones. These have different names such as parallelepiped, left-handed tetragonal antiwedge, or simply "4,4,4,4,3,3 faces". The last of these is a tetrahedron with a v-shaped chunk cut out of one edge.