ephemera Definition
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ephemera1
noun ephemeras, ephemerae
- 1. A mayfly.
2. Something that lasts or is useful for only a short time; an ephemeron (sense 1).
ephemera2 ephemeron
ephemeron
noun ephemera
- 1. Things that are valid or useful only for a short time, especially printed items such as tickets and posters.
- Form: ephemera
