Dictionary
e•phem•er•op•ter•an
Pronunciation: (i-fem"u-rop'tur-un), [key]—
adj.
belonging or pertaining to the insect order Ephemeroptera, comprising the mayflies.
—
n.
ephemerid.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.