ephemeron Hear it!

ephemeron definition

ephem·eron (e fem′ər än′, -ən; i-)

noun pl. ephemera -·era (-ə) or ephemerons -·er·ons′

mayfly

Etymology: Gr ephēmeron, short-lived insect < ephēmeros, for the day, short-lived < epi-, upon + hēmera, day

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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