oro-

oro-

(word root) mouth

Examples of words with the root oro-: oropharynx

Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

oro-

pref.

Mountain: orogeny.

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[Greek, from oros, mountain.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

oro-

combining form

mountain: orogeny; orography.

[from Greek oros]

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oro-

combining form

oral; mouth: oromaxillary.

[from Latin, from ōs]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

oro-¹

,

a combining form meaning “mountain”: orography.

[< Greek]

oro-²

,

a combining form meaning “mouth”: oropharynx.

[comb. representing Latin ōs, s. ōr-]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.