uro-

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

Dictionary.com Unabridged

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. 2013.
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Link To uro-

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Uro- is always a great word to know.

So is ninnyhammer. Does it mean:

a fool or simpleton; ninny.

a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.

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Collins

World English Dictionary

uro- or (before a vowel) ur-¹

—*combining form*
	indicating urine or the urinary tract: urochrome; urogenital; urolith; urology

[from Greek ouron urine]

ur- or (before a vowel) ur-¹

—*combining form*

[from Greek ouron urine]

uro- or (before a vowel) ur-²

—*combining form*
	indicating a tail: urochord; uropod; urostyle

[from Greek oura]

ur- or (before a vowel) ur-²

—*combining form*

[from Greek oura]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage

Medical Dictionary

uro- or ur-
pref.

Urine: uric.
Urinary tract: urology.

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urochordate urochrome urogenital urogenous urokinase urolith