fugacity
/fjuːˈgæsətɪ/noun
mass noun
1
- poetic/literary the quality of being fleeting or evanescent〈诗/文〉短暂, 飞逝; 易消失。
2
- Chemistry a thermodynamic property of a real gas which if substituted for the pressure or partial pressure in the equations for an ideal gas gives equations applicable to the real gas【化】(易)逸性, (易)逸度。