rheo

rheo-

a combining form meaning “flow,” “current,” “stream,” used in the formation of compound words: rheoscope.
Compare -rrhea.


Origin:
combining form representing Greek rhéos stream, something flowing

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Collins
World English Dictionary
rheo-
 
combining form
indicating stream, flow, or current: rheometer; rheoscope
 
[from Greek rheos stream, anything flowing, from rhein to flow]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Rheo is always a great word to know.
So is ninnyhammer. Does it mean:
a fool or simpleton; ninny.
a gadget; dingus; thingumbob.
American Heritage
Medical Dictionary

rheo- pref.
current; flow: rheotaxis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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