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air curtain

British  

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

Example Sentences

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The waste is later dumped into a crop grinder or an air curtain burner — an insulated box equipped with a diesel-powered fan that produces less smoke and particulate matter than traditional open burning.

From Los Angeles Times • Apr. 1, 2024

Instead of wrestling with swinging doors, the passenger enters the building through an 89-ft.-wide opening, which has an air curtain to keep out the weather.

From Time Magazine Archive

Kroger's 11-ft.-wide air curtain cost $7,500, will cost about 15� an hour to operate.

From Time Magazine Archive

By last week an air curtain had closed African skies to South African Airways, whose proud symbol is a winged springbok, forcing its planes into a tortuous detour.

From Time Magazine Archive

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

From Unwise Child by Garrett, Randall