English

Noun

ephemerality ‎(countable and uncountable, plural ephemeralities)

1. (uncountable) The state or condition of being ephemeral; transience.
2. (countable) Something that is ephemeral.
   • 1961, Lewis Mumford, The City in History, Harcourt, Brace & World, p. 242:

     So, too, the multiplication of bathrooms and the over-expenditure on broadly paved motor roads, and above all, the massive collective concentration on glib ephemeralities of all kinds, performed with supreme technical audacity.

Synonyms

• (state or condition of being ephemeral):
  • ephemeralness
  • evanescence
  • impermanence
  • transience / transiency
  • volatility