An intensive property of vapors and gases it is closely related to partial pressure Where partial pressure is used in equations describing mixtures of ideal gases, fugacity is used in the same equation to describe mixtures of nonideal gases
The quality of being fugacious; fugaclousness; volatility; as, fugacity of spirits
the lack of enduring qualities (used chiefly of plant parts) the tendency of a gas to expand or escape
Broadly speaking, this word is applied to the tendency for a substance to move from one environmental compartment to another Originally the term was applied to the tendency of a gas to expand or escape and related to its pressure in the system being studied