Noun: fugacity fyoo'ga-si-tee
- The tendency of a gas to expand or escape
"The high fugacity of helium makes it difficult to contain"
- The lack of enduring qualities (used chiefly of plant parts)
"The fugacity of certain flower petals makes them challenging to preserve";
- fugaciousness
Derived forms: fugacities
Type of: physical property, transience, transiency, transitoriness
Encyclopedia: Fugacity