Definitions

1. noun

The property of a gas that determines its tendency to escape or expand into its surroundings, especially in relation to its partial pressure and temperature.

“The high fugacity of the gas in the container led to a significant pressure increase over time.”

2. noun

A measure of the escaping tendency of a gas, often used in chemical engineering and thermodynamics.

“The engineer calculated the fugacity of the gas to determine its suitability for industrial use.”