<http://schema.org/description>
"Evaporation, the process by which a liquid or a solid changes into a vapor. A substance may evaporate in one of two ways: (1) by changing into a vapor at the surface, as when water evaporates from an uncovered dish; or (2) by boiling, that is, by changing to vapor both within the substance as well as at its surface."^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/evaporation-info.htm>