Ephemerid Definition

ĭ-fĕmər-ĭd
noun
A mayfly, especially one of the family Ephemeridae.
American Heritage
Webster's New World
(zoology) Any member of the Ephemeridae.
Wiktionary
Synonyms:
  • ephemeropteran

Other Word Forms of Ephemerid

Noun

Singular:
ephemerid
Plural:
ephemerids

Origin of Ephemerid

  • From New Latin Ephēmeridae former order name from Greek ephēmeron mayfly ephemeron

    From American Heritage Dictionary of the English Language, 5th Edition

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