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uro-1

1.
a combining form meaning “urine,” used in the formation of compound words:
urology.
Also, especially before a vowel, ur-.
Origin
< Greek, combining form of oûron urine

uro-2

1.
a combining form meaning “tail,” used in the formation of compound words:
uropod.
Also, especially before a vowel, ur-.
Origin
< Neo-Latin ūro-, combining form representing Greek ourá
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for uro-

uro-1

combining form
1.
indicating urine or the urinary tract: urochrome, urogenital, urolith, urology
Word Origin
from Greek ouron urine

uro-2

combining form
1.
indicating a tail: urochord, uropod, urostyle
Word Origin
from Greek oura
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for uro-

word-forming element, from comb. form of Greek ouron "urine" (see urine).

Online Etymology Dictionary, © 2010 Douglas Harper
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uro- in Medicine

uro- or ur-
pref.

  1. Urine: uric.

  2. Urinary tract: urology.

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