• synonyms


  1. a combining form meaning “root,” used in the formation of compound words: rhizophagous.
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Also especially before a vowel, rhiz-.
Compare -rhiza, -rrhiza.

Origin of rhizo-

< Greek, combining form of rhíza root1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for rhiz-


before a vowel rhiz-

combining form
  1. rootrhizomorphous
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Word Origin for rhizo-

from Greek rhiza
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

rhiz- in Medicine


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