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erythro-

  1. a combining form meaning “red,” used in the formation of compound words: erythrocyte.
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Also especially before a vowel, erythr-.

Origin of erythro-

From the Greek word erythrós red, reddish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for erythro-

erythro-

erythr-

combining form
  1. rederythrocyte
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Word Origin

from Greek eruthros red
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 erythro-

before vowels, erythr-, word-forming element meaning "red," from Greek erythro-, comb. form of erythros "red" (in Homer, also the color of copper and gold); see red (1).

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Online Etymology Dictionary, © 2010 Douglas Harper

erythro- in Medicine

erythro-

pref.
  1. Red:erythroid.
  2. Erythrocyte:erythropoiesis.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.