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- the process by which molecules of a liquid become a gas.
NCDC National Climatic Data Center - Cite This Source - This Definition
- Evaporation The physical process by which a liquid or solid substance is transformed to the gaseous state; the opposite of condensation. In meteorology, evaporation usually is restricted in use to the change of water from liquid to gas, while sublimation is used to the change from solid to gas as well as from gas to solid.
NSIDC - Cite This Source - This Definition
- Coal gasification, Coal liquefaction, Condensation, Municipal Solid Waste (MSW), Parts Per Billion (ppb), Parts Per Million (ppm), Sublimation