jinrcaiba fu'ivla

x1 is a washer of material x2, inside diameter x3, outer diameter x4, and thickness x5

See also klupe.

In notes:

x1 is a region/room/volume of space which is shaped like a washer (or thin or flattened torus/toroid), between inner disk/sphere x2 and outer disk/sphere x3, defined by midplane x4, and containing x5.