noun, plural e·phem·er·a [ih-fem-er-uh] /ɪˈfɛm ər ə/, e·phem·er·ons.
- ephemeris second,
- ephemeris time,
Origin of ephemeron
Examples from the Web for ephemeron
The scent was so strong that the ephemeron was almost intoxicated by it.
The airy nothing of a sigh bears often a pastoral world or an orcus on its ephemeron's-wing.Titan: A Romance v. 1 (of 2)|Jean Paul Friedrich Richter
Its three hundred and sixty-five years were now as but the day of the ephemeron.
Let not the ephemeron that lights on a baby's hand generalize too rashly upon the non-growing of organisms!
Like the ephemeron fly, they are born suddenly, and may be expected to die as soon.Thoughts on Man|William Godwin
noun plural -era (-ərə) or -erons
Word Origin for ephemeron
1620s, from Greek (zoon) ephemeron, neuter of ephemeros (see ephemera). Figurative use by 1771.