rheo-

1. a combining form meaning “flow,” “current,” “stream,” used in the formation of compound words:

   rheoscope.

rheo-

combining_form

1. indicating stream, flow, or current

   rheoscope

   rheometer

Word History and Origins

Origin of rheo-¹

Combining form representing Greek rhéos stream, something flowing

Word History and Origins

Origin of rheo-¹

from Greek rheos stream, anything flowing, from rhein to flow