rheo-

American  

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

   rheoscope.

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rheo- British  

combining form

1. indicating stream, flow, or current

   rheometer

   rheoscope

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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

A new app called Rheo offers an intriguing solution, using the latest Apple TV set-top box to bring channel surfing to the world of online video.

From Time

Launching Rheo activates a stream of videos aggregated from across the web, which you can cycle through with the press of a button.

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