Webster's Online Dictionary
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Common Expressions: EQUILIBRIUM MOISTURE CONTENT

ExpressionsDefinition
Equilibrium moisture contentThe moisture content of wood below the fiber saturation point is a function of both relative humidity and temperature of surrounding air. The equilibrium moisture content is the moisture content at which the wood is neither gaining nor losing moisture; an equilibrium condition has been reached. (references)

Source: compiled by the editor from various references; see credits.

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Specialty Expressions: EQUILIBRIUM MOISTURE CONTENT

ExpressionsDomainDefinition
Equilibrium moisture contentMining1: The moisture content of a soil when the water is static. (references)
  2: Moisture content that a fuel particle will attain if exposed for an infinite period in an environment of specified constant temperature and humidity. When a fuel particle reaches equilibrium moisture content, net exchange of moisture between it and the environment is zero. (references)
Equilibrium moisture contentPhysicsThe moisture content at which a material (e. g. fuel, timber) neither gains nor loses moisture when exposed to any constant condition of humidity and temperature. Source: European Union. (references)
Equilibrium moisture content (EMC)MiningThe level at which dead fuels neither gain nor lose moisture with time, under specific constant temperature and humidity. The vapor pressure in the air is equal to the vapor pressure in the fuel. A fuel particle, at EMC, will have no net exchange of moisture with its' environment. (references)

Source: compiled by the editor from various references; see credits.

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Extended Definition: Equilibrium moisture content

Equilibrium moisture content

The moisture content of wood below the fibre saturation point is a function of both relative humidity and temperature of surrounding air. The equilibrium moisture content (EMC) is the moisture content at which the wood is neither gaining nor losing moisture; this however, is a dynamic equilibrium and changes with relative humidity and temperature.

Source: adapted by the editor from Wikipedia, the free encyclopedia; from the article "Equilibrium moisture content". Image Credit.