displacement displacementthe linear distance in a given direction between a point and a reference position. Related Articles: Glossary: mechanoreceptorsWhat is intensity?Arctic CharSmall VesselsHow do sea turtles hear?What components of sound are used for hearing?Reference List: Animals and SoundPile drivingGeophoneWind Turbine Chris Knowlton2017-02-26T20:10:07-05:00