Reflection 2 : The characteristic of a surface to change the direction of propagating acoustic energy; the return of sound waves from surface. (RP 2X, RP 5A5)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}