rheo-

American  

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

   rheoscope.

---

rheo- British  

combining form

1. indicating stream, flow, or current

   rheometer

   rheoscope

---

Usage

What does rheo- mean? Rheo- is a combining form used like a prefix meaning “flow,” "current," or "stream." It is often used in scientific terms, especially those referring to electrical currents or the flow of fluids in the body.Rheo- comes from the Greek rhéos, meaning “stream.”Rheo- is closely related to another combining form, -rrhea, meaning "flow" or "discharge," which is connected to—you guessed it—the word diarrhea.Want to know more? Read our Words That Use -rrhea article.

Etymology

Origin of rheo-

Combining form representing Greek rhéos stream, something flowing

Example Sentences

Before the match with Margaret Court, the 55-year-old Riggs enlisted the help of Hollywood nutrition guru Rheo Blair.

From Time

Besides her and his son Brandon, he is survived by two more sons, Herve Jr. and Andrew; three daughters, Tammy Filion, Barbara Rossini and Kimberly Filion; two sisters, Andrea Mongeon and Fleurette LaPointe; five brothers, Marcel, Denis, Rheo, Yves and Renald; and 10 grandchildren.

From New York Times

Unlike standard television, Rheo aims to tailor its channels to your preferences.

From Time

When using the app, you can “boost” videos that you like, signaling to Rheo you want to see similar content in the future.

From Time

Rheo better learns your taste the more you use it.

From Time