Definitions for "Wettability"
The ability of any solid surface to be wetted when in contact with a liquid; that is, the surface tension of the liquid is reduced so that the liquid spreads over the surface. See water wet and oil wet.
Physical Properties and Testing Ability to spread and completely cover a specific solid surface area.
Diamond is highly resistant to wetting by water. We will attempt to add a scientific explanation of this phenomenon at a later date.