Ephem·er·op·tera \ə̇ˌfeməˈräpt(ə)rə\

Definition of Ephemeroptera

  1. :  an order of slender delicate insects that comprise the mayflies

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Origin and Etymology of ephemeroptera

New Latin, from Greek ephēmeros + New Latin -ptera

Seen and Heard

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a brief usually trivial fact

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