E layer

noun

Definition of E layer

: a layer of the ionosphere occurring about 65 miles (110 kilometers) above the earth's surface during daylight hours that is capable of reflecting shortwave frequencies

First Known Use of E layer

1933, in the meaning defined above

Keep scrolling for more

Learn More About E layer

Time Traveler for E layer

Time Traveler

The first known use of E layer was in 1933

See more words from the same year

Dictionary Entries Near E layer

elative

E layer

Elazig

See More Nearby Entries 

Statistics for E layer

Cite this Entry

“E layer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/E%20layer. Accessed 18 Sep. 2021.

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

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

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