Definition of rheograph in English:

rheograph

(also reograph)

noun

  • Medicine and Physiology. An instrument used for rheography.

Origin

Late 19th century (in an earlier sense). From rheo- + -graph.

Pronunciation

rheograph

/ˈriːə(ʊ)ɡraf//ˈriːə(ʊ)ɡrɑːf/