The French phrase "bruit de frottement" translates to "sound of friction" in English, and is pronounced [bʁɥi də fʁɔtmɑ̃]. The spelling of "bruit" includes the French silent "t" at the end, while "de" is pronounced with a schwa sound in IPA. "Frottement" is spelled with a double "t" to indicate the double consonant sound in French. This phrase is commonly used in mechanics and physics to describe the sound produced by two objects rubbing against each other.
Bruit de frottement is a French term that literally translates to "friction noise" in English. It is used to describe a specific type of sound that is produced by the rubbing or friction of objects or surfaces against each other.
The term is often used in various fields, including mechanics, engineering, and acoustics, to refer to the audible result of the contact between two objects or materials. It typically arises when there is relative motion between the objects, resulting in the generation of friction. This friction, in turn, leads to vibrations and the production of sound waves. The resulting noise can vary in intensity, frequency, and character depending on factors such as the nature of the materials, the velocity of the rubbing objects, and the presence of any lubrication or other substances that could affect the friction.
The concept of bruit de frottement is not limited to a specific context, as it can encompass various scenarios where friction occurs. Examples of situations where this phenomenon could arise include the rubbing of car brakes against the wheels, the sliding of a finger across a glass surface, or even the sound produced by a pencil on paper while writing.
In summary, bruit de frottement denotes the audible noise resulting from the contact and rubbing of two objects or surfaces. It serves as a descriptive term to help identify and discuss the specific type of sound associated with friction-induced vibrations.
A friction rale.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.