oro

oro

[aw-raw]
noun Spanish.
Dictionary.com Unabridged

oro-

1
a combining form meaning “mountain,” used in the formation of compound words: orography.

Origin:
< Greek, combining form of óros

oro-

2
a combining form meaning “mouth,” used in the formation of compound words: oropharynx.

Origin:
combining form representing Latin ōs, stem ōr-

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
oro-1
 
combining form
mountain: orogeny; orography
 
[from Greek oros]

oro-2
 
combining form
oral; mouth: oromaxillary
 
[from Latin, from ōs]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

oro-
from Gk. oros "mountain" (see oread).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

oro- pref.
Mouth: oronasal.

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