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ferrous

American  
[fer-uhs] / ˈfɛr əs /

adjective

Chemistry.
  1. of or containing iron, especially in the bivalent state.


ferrous British  
/ ˈfɛrəs /

adjective

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

"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

ferrous Scientific  
/ fĕrəs /
  1. Containing iron, especially iron with a valence of 2.

  2. Compare ferric


Other Word Forms

Derived Forms

Etymology

Origin of ferrous

1860–65; < Latin ferr ( um ) iron + -ous

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The executive, Director of Ferrous Metals Peter Poppinga, has not been arrested after a judge declined to issue a warrant.

From Reuters • Feb. 22, 2019

Amused and enchanted, I named him "Ferrous" for the chemical name of rust, hydrated ferrous oxide.

From New York Times • Feb. 13, 2018

The leaks detail how Icahn holds a controlling stake in Ferrous Resources, a Brazilian mining company officially based on the Isle of Man.

From The Guardian • Nov. 5, 2017

The chief executive of Brazilian mining start-up Ferrous Resources do Brasil SA, Jayme Nicolato, was optimistic Chinese demand would support ore prices going forward, although less than before.

From Reuters • Jul. 11, 2012

Ferrous sulphate is formed, and in connection with the iron rapidly reduces the silver sulphate to the metallic state, the reduced silver retaining the heavy compact character of the crystals.

From Scientific American Supplement No. 819, September 12, 1891 by Various

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