erythro-


a combining form meaning “red,” used in the formation of compound words: erythrocyte.

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What does “vacillate” mean?
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. 2020

WORDS THAT USE ERYTHRO-

What does erythro- mean?

Erythro- is a combining form used like a prefix meaning “red.” It is often used in chemistry and medicine, and occasionally in geology.

Erythro- comes from the Greek erythrós, meaning “red” or “reddish.”

What are variants of erythro-?

When combined with words or word elements that begin with a vowel, erythro- becomes erythr-, as in erythrite.

Examples of erythro-

One word you may be familiar with that uses the prefix erythro- is erythrocyte, a term used in physiology for a red blood cell.

You are now familiar with erythro-, meaning “red.” The combining form cyte, a variant of cyto-, means “cell.” Putting it all together, an erythrocyte literally translates to “red (blood) cell.” Learn more about the origin cyto- at our entry for the word.

Another word you may have encountered that includes erythro- is erythromycin, an antibiotic widely used to treat bacterial infections.

What are some words that use the combining form erythro-?

What are some other forms that erythro- may be commonly confused with?

 

Break it down!

The suffix -phobia means “fear.” With this in mind, what does someone with erythrophobia fear?

British Dictionary definitions for erythro-

erythro-

erythr-


combining form

rederythrocyte

Word Origin for erythro-

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

Medical definitions for erythro-

erythro-

pref.

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