Compressibility


 * Reference for term: Musculoskeletal ultrasound - Holsbeeck Van, M. et al.
 * Technical definition: Ease with which a medium can be compressed.
 * Reference for definition: Ultrasound Physics and Instrumentation - Hedrick, W. et al.
 * Comment: The speed of sound in a medium is inversely proportional to the square root of compressibility of the medium.