- a combining form with the meanings “iron,” “ferric,” used in the formation of compound words: ferriferous; ferricyanide.
Also ferro-; especially before a vowel, ferr-.
Origin of ferri-
< Latin, combining form of ferrum iron
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- indicating the presence of iron, esp in the trivalent stateferricyanide; ferriferous Compare ferro-
from Latin ferrum iron
- Iron, especially ferric ion:ferritin.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.