Dictionary.com

ferro-

variant of ferri-: ferroconcrete. In chemical terminology, the meanings of ferri- and ferro- are specialized to correspond to ferric and ferrous.

QUIZZES

WHO SAID IT: A QUIZ ON PRESIDENTIAL WIT AND WISDOM

Think you know your presidents? Take this quiz and see if you can match the style, wit, and ideology of these memorable lines to the right POTUS.
Question 1 of 9
“I do believe that the buck stops here, that I cannot rely upon public opinion polls to tell me what is right. I do believe that right makes might and that if I am wrong, 10 angels swearing I was right would make no difference.”
Jimmy Carter
John F. Kennedy
Richard Nixon
Gerald Ford
TAKE THE QUIZ TO FIND OUT

Origin of ferro-

From Latin ferr(um) “iron” + -o-

Words nearby ferro-

Ferris wheel, ferrite, ferrite core, ferrite-rod aerial, ferritin, ferro-, ferroalloy, ferroaluminum, ferrocement, ferrocene, ferrocerium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for ferro-

ferro-

combining form

indicating a property of iron or the presence of ironferromagnetism; ferromanganese
indicating the presence of iron in the divalent stateferrocyanide Compare ferri-

Word Origin for ferro-

from Latin ferrum iron
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 ferro-

ferro-

pref.

Iron:ferrokinetics.
Ferrous iron:ferroprotein.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.