ephemera

noun

1. Items or objects that were created for a short-term purpose and are typically of little lasting value, but may be collected because of their historical or cultural interest (e.g. tickets, posters, postcards, pamphlets).

   B2

   plural noun

   • "Old tickets and posters are ephemera."B2
   • "Archivists preserve ephemera to understand daily life."C1
   • "The exhibit showcased a trove of 19th-century print ephemera."C2

2. Transitory things or events that last only a very short time.

   C1

   plural noun

   • "Fashion trends are ephemera of popular culture."C1