ephemera
noun
- things that exist or are used or enjoyed for only a short time.
Wiktionary
Pronunciation: /ɪˈfɛməɹə/
noun
Etymology: Borrowed from Ancient Greek ἐφήμερᾰ (ephḗmeră), neuter plural form of ἐφήμερος (ephḗmeros).
- A mayfly (genus Ephemera).
“These names, and many more, are, in various parts of the country, applied to an ephemera, which appears in most, if not all of the Trout waters of these kingdoms, throughout the whole season, although in greater numbers during spring and autumn, than at other times.”
“Ephemeras are abundant and they are preying upon surface life.”