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air curtain

noun
1.
air door.

air door

noun
1.
a strong current of temperature-controlled air in an entryway, used instead of a door.
Also called air curtain.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for air curtain
Historical Examples

  • The big man with the tiny child on his shoulder pushed through the air curtain that kept the warm humid air out of the shop.

    Anything You Can Do ... Gordon Randall Garrett

  • Opposite the air curtain was a huge sliding door, closed at the moment, which probably led to a freight elevator.

    Unwise Child Gordon Randall Garrett
British Dictionary definitions for air curtain

air curtain

noun
1.
an air stream across a doorway to exclude draughts, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Difficulty index for air curtain

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Word Value for air

3
3
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