Dictionary.com

ferrous

[ fer-uhs ]
/ ˈfɛr əs /
Save This Word!

adjective Chemistry.

of or containing iron, especially in the bivalent state.

QUIZZES

QUIZ YOURSELF ON "WAS" VS. "WERE"!

Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of ferrous

1860–65; <Latin ferr(um) iron + -ous

OTHER WORDS FROM ferrous

pre·fer·rous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for ferrous

British Dictionary definitions for ferrous

ferrous
/ (ˈfɛrəs) /

adjective

of or containing iron in the divalent state; designating an iron (II) compound

Word Origin for ferrous

C19: from ferri- + -ous
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 ferrous

ferrous
[ fĕrəs ]

adj.

Of, relating to, or containing iron, especially with a valence of 2 or a valence lower than in a corresponding ferric compound.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for ferrous

ferrous
[ fĕrəs ]

Containing iron, especially iron with a valence of 2. Compare ferric.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK