air curtain


Definition of air curtain

: an artificially created stream of moving air that is blown across a doorway or other opening to create a barrier (as for repelling flying insects or preventing heat transfer) In addition to requiring the cleanup and repairs, the health inspector also suggested the business install an air curtain at the back door leading to the food preparation room to control flies … — Joseph Deinlein, Evening Sun (Hanover, Pennsylvania), 20 July 2009 The air curtain differs from a solid door as it provides no physical barrier between customer and product …— S. J. James and C. James, Meat Refrigeration, 2002

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 curtain

1894, in the meaning defined above

Learn More About air curtain

Time Traveler for air curtain

Time Traveler

The first known use of air curtain was in 1894

See more words from the same year

Dictionary Entries Near air curtain


air curtain

air cushion

See More Nearby Entries 

Statistics for air curtain

Cite this Entry

“Air curtain.” Dictionary, Merriam-Webster, Accessed 18 Jan. 2022.

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


Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
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!