Definition of rheoscopic in US English:

rheoscopic

adjective

Electricity
  • Designating a preparation of a muscle and attached nerve of a frog used for detecting electric currents; of or relating to such a preparation; especially in "rheoscopic frog". Compare "physiological rheoscope". Now historical.

Origin

Mid 19th century. From rheo- + -scopic. Compare earlier rheoscope.

Pronunciation

rheoscopic

/ˌriːəˈskɒpɪk/