ephemerae

noun
  1. Plural of ephemera; things that are short-lived, temporary, or transient in nature.
  2. Usage: Often used in formal or academic contexts to refer to collectible items of brief relevance or lifespan.
  3. Collectible items such as pamphlets, tickets, posters, or documents that were not meant to last but are now valued by collectors.
  4. Usage: Common in library and museum contexts; refers to printed or paper materials of historical or cultural interest.

Examples