What Is a Sound Wave?

Answer

Sound waves are the progressive longitudinal vibrations, found in an elastic medium, by which sounds are transmitted. It basically is used to refer to changes in air pressure that produce sound.
6 Additional Answers
A sound wave is a wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air. It is also the pattern of disturbance caused by the movement of energy travelling through a medium. A sound wave results from the back and forth vibration of the particles of a medium.
Sound wave refers to a wave of compression and rarefaction. It can be termed as the movement of energy travelling through a medium such as water or air by which sound is propagated away from the source of the sound.
The term sound waves refers to a longitudinal pressure wave that is mostly used for audible or inaudible sound. This term can also be defined as a wave that is mostly used to transmit or convey sound.
A sound wave is a wave that transmits sound. When the object vibrates, it sends out a series of waves which can be interpreted as sound.
Sound is a traveling wave which an oscillation of pressure transmitted through a solid, liquid or gas composed of frequencies within the range of hearing and of a level sufficiently strong to be heard.
A sound wave is a type of pressure wave that moves through the air like a ripple will move through a pond. The molecules in the air are bumping into each other and passing the energy from one to another. You can find more information here: http://www.wisegeek.com/what-is-a-sound-wave.htm
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