ephemeralness

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the property of lasting for a very short time
• Syn:
ephemerality, fleetingness
• Derivationally related forms:
fleeting (for: fleetingness), ephemeral, ephemeral (for: ephemerality)
• Hypernyms:
transience, transiency, transitoriness