elve

noun

plural elves ˈelvz How to pronounce elve (audio)
: a form of electrical discharge that is emitted upward from the top of a cumulonimbus cloud during a thunderstorm and that usually appears as a very short-lived reddish circle of light
"Elves" appear as rapidly expanding doughnuts of light that vanish in less than a millisecond. They most likely result when an electromagnetic pulse from an energetic cloud-to-ground lightning strike propagates into the ionosphere. While elves may accompany sprites, the mechanisms that create the two differ.Stephen James O'Meara, Astronomy, June 2010

Word History

First Known Use

1995, in the meaning defined above

Time Traveler
The first known use of elve was in 1995

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near elve

Cite this Entry

“Elve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/elve. Accessed 22 Nov. 2024.

Love words? Need even more definitions?

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