Dictionary.net

• The quality or state of being wettable or the degree to which something can be wet. This is also the ability of any solid surface to be wetted when in contact with a liquid whose surface tension is reduced so that the liquid spreads over the surface of the solid.

2010 - Medical Dictionary Database
By DataStellar Co., Ltd

• Surface's property to allow a liquid to get through dust on top of it and stick to the substrate. See wetting and wetting ability.

1910 - Black's Law Dictionary (2nd edition)
By Henry Campbell Black