refraction refractionthe bending of a sound wave towards a region of slower sound speed. Related Articles: Glossary: scattered/scatteringGlossary: shadow zoneGlossary: critical angleGlossary: acoustic lensSeafloor exploration with fin whale calls – October 4, 2021How animals extract information about the ambient environment: Passive listeningHow is sound used to study the Earth’s history?How is sound used to explore for oil and gas?RefractionSound Travel in the SOFAR Channel Chris Knowlton2018-01-19T13:17:57-05:00