EVAPORATION Meaning and
Definition
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Evaporation is a commonly occurring physical process in which a substance transforms from its liquid state into a gaseous state. It is characterized by the conversion of molecules from a lower to a higher energy state, leading to the escape of liquid particles into the surrounding atmosphere. Evaporation primarily takes place at the surface of the liquid, as energetic molecules transition to a gas form. The phase change from liquid to gas occurs when the vapor pressure of the liquid exceeds the atmospheric pressure, resulting in the release of molecules into the air.
This natural phenomenon is influenced by various factors, including temperature, humidity, surface area, and air movement. Higher temperatures accelerate evaporation by increasing the kinetic energy of the molecules, causing them to move more rapidly and escape the liquid phase. Similarly, lower relative humidity facilitates evaporation because it establishes a larger concentration gradient for the vapor to diffuse into the atmosphere.
Evaporation plays a vital role in various processes found in nature, such as the water cycle, where liquid water evaporates into the atmosphere and eventually condenses to form clouds and precipitation. It is also a key component of cooling systems, as the removal of heat through evaporation results in a decrease in temperature. Moreover, evaporation is utilized in diverse applications, such as drying food products, water desalination, and the concentration of liquid solutions through the removal of water.
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1. A change from liquid to vapor form. 2. Loss of volume of a liquid by conversion into vapor.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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The changing of a fluid into vapour or steam; the state of flying off in fumes; vent.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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Etymology of EVAPORATION
The word "evaporation" originated from the Latin word "evaporare", which is a combination of "e-" (meaning "out") and "vapor" (meaning "steam" or "moisture"). "Evaporare" itself is derived from the words "e-" (out) and "vaporare" (to give off steam). Thus, the etymology of "evaporation" can be traced back to the Latin roots, conveying the process of a substance turning from a liquid to a vapor or gas.
Similar spelling words for EVAPORATION
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