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e•phem•er•on



Pronunciation: (i-fem'u-ron", -ur-un), [key]
n.,
pl. -er•aPronunciation: (-ur-u), [key] -er•ons.

1. anything short-lived or ephemeral.
2. ephemera,items designed to be useful or important for only a short time, esp. pamphlets, notices, tickets, etc.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

ephemeris timeephemeropteran
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