muffler
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muffler
US and Canadian any device designed to reduce noise, esp the tubular device containing baffle plates in the exhaust system of a motor vehicle
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
muffler
[′məf·lər] (engineering)
A device to deaden the noise produced by escaping gases or vapors.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
sound attenuator
In ductwork, a device (usually prefabricated) especially designed to provide much greater sound attenuation than would be provided by an equal length of ductwork; the pressure drop through the device is greater than for an equal length of ductwork.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.