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A passive attenuator in which the loss in one direction is much greater than that in the opposite direction; a ferrite isolator for waveguides is an example.
Any device that absorbs vibration or noise, or prevents its transmission.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A resilient support for machinery, piping, ductwork, etc., which may act as a source of vibration; designed to reduce the amount of vibration transmitted to the building structure.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.