Simple Definition of ephemera
: things that are important or useful for only a short time : items that were not meant to have lasting value
Full Definition of ephemera
plural ephemera also ephem·er·ae play \-mər-ē, -rē\ or ephemeras
1 : something of no lasting significance —usually used in plural
2 ephemera plural : paper items (as posters, broadsides, and tickets) that were originally meant to be discarded after use but have since become collectibles
Examples of ephemera
He has a large collection of old menus and other ephemera.
Origin of ephemera
New Latin, from Greek ephēmera, neuter plural of ephēmeros
First Known Use: 1650
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