A microkernel implements all drivers as user-space programs, and implements core features like IPC in the kernel itself. A monolithic kernel, however, implements the drivers as a part of the kernel...
Fine bone china is more delicate than porcelain, with a warmer, translucent finish. It is typically more expensive than porcelain. Fine china is produced without the inclusion of bone ash from similar materials to porcelain.
Two materials used for bathroom sinks and toilets today are vitreous china and porcelain. People often assume that vitreous china and porcelain are two different materials, but they are actually made from the same thing. Vitreous china is a glazing technique added to porcelain.