ferruginous

[fuh-roo-juh-nuhs]
adjective
1.
Geology. iron-bearing: ferruginous clays.
2.
of the color of iron rust.

Origin:
1655–65; < Latin ferrūginus rust-colored, derivative of ferrūgin-, stem of ferrūgō iron-rust, derivative of ferrum iron; see -ous

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To ferruginous
Collins
World English Dictionary
ferruginous (fɛˈruːdʒɪnəs)
 
adj
1.  (of minerals, rocks, etc) containing iron: a ferruginous clay
2.  rust-coloured
 
[C17: from Latin ferrūgineus of a rusty colour, from ferrūgō iron rust, from ferrum iron]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

ferruginous fer·ru·gi·nous (fə-rōō'jə-nəs, fě-)
adj.

  1. Associated with or containing iron.

  2. Having the color of iron rust; reddish-brown.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Example sentences
Adult ferruginous hawk has mostly white underparts with dark legs, slimmer wing silhouette.
Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature