air-core

adjective
variants: or less commonly air-cored

Definition of air-core

: having no magnetic material (as iron) in its magnetic circuit used especially of certain coils, solenoids, or transformers

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!

First Known Use of air-core

1891, in the meaning defined above

Keep scrolling for more

Learn More about air-core

Time Traveler for air-core

Time Traveler

The first known use of air-core was in 1891

See more words from the same year

Statistics for air-core

Cite this Entry

“Air-core.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/air-core. Accessed 17 May. 2021.

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

Comments on air-core

What made you want to look up air-core? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Words Used by Nabokov Quiz

  • image1676440788
  • Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita
True or False

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

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

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!