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dead air

the loss or suspension of the video or audio signal during a television or radio transmission.
Origin of dead air
1940-45 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for dead air
  • Despite all the dead air, the true believers say the odds of success are now better than ever.
  • Smoke alarm placement high on the sidewall or on the ceiling to avoid the dead air space.
  • Each layer of additional glazing improves the efficiency of a window, as dead air between panes prevents conduction of heat.
  • Remember that fires can easily start in dead air pockets and in crevices.
  • Initially, the largest depletion was due to dead air.
  • The only thing that really insulates the body is dead air space, and it takes about one inch to do the job.
  • dead air trapped near the door at the top of a stairway could prevent smoke from reaching an alarm located at the top.
  • Ventilation openings in foundations should be designed to prevent dead air pockets.
  • Winter clothing is a system of three layers, loose enough to allow movement, yet provide a warm dead air space between layers.
  • dead air spaces under heat collectors can prevent fire detectors from activating during the incipient stages of a fire.
Slang definitions & phrases for dead air

dead air

noun phrase

A sudden and undesirable silence (1950s+ Broadcasting)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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