Definition of "fugacity" [fu•gac•i•ty]

• A measure of the tendency of a fluid to expand or escape (noun)
• A measure of the relative stability of different phases of a substance under the same conditions (noun)
• Transience (noun)

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• "For example, a profile of the fugacity (partial pressure corrected for the fact that the gas is not ideal) of CO2 (f CO2) shows that Pacific-origin waters below 50 m in Canada Basin are oversaturated due to their origin in the productive Bering/Chukchi Seas (see Fig. 9.34)."
• "Profiles of the fugacity (partial pressure corrected for the fact that the gas is not ideal) of CO2 in Canada Basin and the Eurasian Basin."
• "Estimating pesticide environmental risk scores with land use data and fugacity equilibrium models in Misiones, Argentina [An article from: Agriculture, Ecosystems and Environment] by J. Ares"