refraction refractionthe bending of a sound wave towards a region of slower sound speed. Related Articles: Glossary: scattered/scatteringGlossary: shadow zoneGlossary: critical angleGlossary: acoustic lensRefractionSound Travel in the SOFAR ChannelSound Channel VariabilityHow does sound move?Resources for EducatorsTutorial: Refraction Chris Knowlton2018-01-19T13:17:57-05:00