- a plural of ephemeron.
- an ephemerid.
Origin of ephemera
- anything short-lived or ephemeral.
- ephemera, items designed to be useful or important for only a short time, especially pamphlets, notices, tickets, etc.
Origin of ephemeron
Examples from the Web for ephemera
The paintings, ephemera, wall texts, and audio tour construct a story of an obsessive, gifted genius who lived for love and art.Art's Obsessive Genius
May 20, 2009
The Ephemera is the fly which is born but to die, living a single hour of love.The Insect
The Ephemera and probably the other Neuroptera have abdominal spiracles.An Introduction to Entomology: Vol. IV (of 4)
The cut represents the circulation in the vessels of the larva of an Ephemera.The Life of an Insect
That was it—as indifferent as we could be to the struggle of an ephemera; and as mildly curious.The Metal Monster
Near the water side I caught an Ephemera, of which I made a drawing and description.Lachesis Lapponica
Carl von Linn
- a mayfly, esp one of the genus Ephemera
- something transitory or short-lived
- (functioning as plural) a class of collectable items not originally intended to last for more than a short time, such as tickets, posters, postcards, or labels
- a plural of ephemeron
- (usually plural) something transitory or short-lived
Word Origin and History for ephemera
late 14c., originally a medical term, from Medieval Latin ephemera (febris) "(fever) lasting a day," from fem. of ephemerus, from Greek ephemeros "lasting only one day, short-lived," from epi "on" (see epi-) + hemerai, dative of hemera "day," from PIE *amer- "day."
Sense extended 17c. to short-lived insects and flowers; general sense of "thing of transitory existence" is first attested 1751. Cf. Greek ephemeroi "men," literally "creatures of a day."
1620s, from Greek (zoon) ephemeron, neuter of ephemeros (see ephemera). Figurative use by 1771.