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rhino-

  1. a combining form meaning “nose,” used in the formation of compound words: rhinology.
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Also especially before a vowel, rhin-.

Origin of rhino-

< Greek rhīno-, combining form of rhī́s (stem rhīn-)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for rhino-

rhino-

before a vowel rhin-

combining form
  1. indicating the nose or nasalrhinology
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Word Origin

from Greek rhis, rhin
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

Word Origin and History for rhino-

before vowels rhin-, word-forming element meaning "nose, of the nose," from Greek rhino-, comb. form of rhis "nose," which is of uncertain origin.

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

rhino-

pref.
  1. Nose; nasal:rhinitis.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.