vaporization

n. process by which something is changed into vapor

Evaporation is the process by which molecules in a liquid state (e.g. water) spontaneously become gaseous (e.g. water vapor), without being heated to boiling point. It is the opposite of condensation. Generally, evaporation can be seen by the gradual disappearance of a liquid, when exposed to a significant volume of gas.
See more at Wikipedia.org...

Vaporization /va·por·iza·tion/ 1. the conversion of a solid or liquid into a vapor without chemical change. See also nebulization. 2. distillation. [more]Vaporization - Community and Resources

Noun
1. annihilation by vaporizing something
(synonym) vaporisation
(hypernym) annihilation, obliteration
2. the process of becoming a vapor
(synonym) vaporisation, vapor, vapour, evaporation
(hypernym) phase change, phase transition, state change, physical change
(hyponym) boiling
(derivation) evaporate, vaporize, vaporise

(n.)
The act or process of vaporizing, or the state of being converted into vapor; the artificial formation of vapor; specifically, the conversion of water into steam, as in a steam boiler.