Evaporation
Evaporation
Evaporation (/ˌɛvəˈpɔːrəʃən/) is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase. The surrounding gas must not be saturated with the evaporating substance. When the molecules of the liquid collide, they transfer energy to each other based on how they collide with each other.
Etymology
The term "evaporation" comes from the Latin evaporare, which means "to disappear". This term was first used in the 14th century.
Related Terms
- Vaporization: The process by which a liquid or solid is transformed into a gas.
- Condensation: The change of the physical state of matter from gas phase into liquid phase.
- Sublimation: The transition of a substance directly from the solid to the gas state, without passing through the liquid state.
- Transpiration: The process where plants absorb water through the roots and then give off water vapor through pores in their leaves.
- Humidity: The amount of water vapor present in the air expressed as a percentage of the amount needed for saturation at the same temperature.
- Distillation: The process of purifying a liquid by a process of heating and cooling.
External links
- Medical encyclopedia article on Evaporation
- Wikipedia's article - Evaporation
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