friction sound

friction sound
see under rub.

Medical dictionary. 2011.

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  • friction sound — noun : an auscultatory sound caused by the rubbing together of two inflamed serous surfaces (as of the pleural membranes in pleurisy) …   Useful english dictionary

  • friction murmur — friction rub a scratching sound, heard over the heart with the aid of the stethoscope, in patients who have pericarditis. It results from the two inflamed layers of the pericardium rubbing together during activity of the heart …   The new mediacal dictionary

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  • Friction drum — A friction drum is a musical instrument found in various forms in Africa, Asia, Europe and South America. In Europe it emerged in the 16th century and was associated with specific religious and ceremonious occasions.ConstructionA friction drum is …   Wikipedia

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  • Friction — For other uses, see Friction (disambiguation). Classical mechanics …   Wikipedia

  • sound reception — Introduction       response of an organism s aural mechanism, the ear, to a specific form of energy change, or sound waves. Sound waves can be transmitted through gases, liquids, or solids, but the hearing function of each species is particularly …   Universalium

  • Sound post — In a string instrument, the sound post is a small dowel inside the instrument under the treble end of the bridge, spanning the space between the top and back plates and held in place by friction. It serves as a structural support for an archtop… …   Wikipedia

  • friction drum — ▪ musical instrument       musical instrument made of a membrane stretched across the mouth of a vessel and set in vibration by rubbing with wet or resined fingers a stick or string passed through the membrane or tied upright from underneath; in… …   Universalium

  • Sound Dues — Map of the Danish coast line to the west, and the Swedish coast line to the east. From 1888. The Sound Dues (Danish: Øresundstolden, Swedish: Öresundstullen) were a toll on the use of the Sound which constituted up to two thirds of …   Wikipedia

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