triple E

variants: or Triple E

Definition of triple E

: eastern equine encephalitis Public health officials have found Eastern equine encephalitis in a pool of mosquitoes in Pembroke. … the discovery of the disease, known as triple E, does not present an imminent danger to humans …— Casey Ross State health officials suspected the man had Triple E but did not get conclusive test results until yesterday afternoon.The Boston Sunday Globe

First Known Use of triple E

1976, in the meaning defined above

Learn More About triple E

Time Traveler for triple E

Time Traveler

The first known use of triple E was in 1976

See more words from the same year

Dictionary Entries Near triple E


triple E

triple-expansion engine

See More Nearby Entries 

Statistics for triple E

Cite this Entry

“Triple E.” Dictionary, Merriam-Webster, Accessed 27 Sep. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for triple E

triple E

variants: or Triple E

Medical Definition of triple E

: eastern equine encephalitis Since it is early in the season for the bug-borne viral disease, also known as EEE or "triple E," Chesapeake Health Department officials want area residents to start taking more precautions against mosquitoes. — Janette Rodrigues, The Virginian-Pilot (Norfolk, Virginia)


Test Your Vocabulary

Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!