Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of or containing iron, especially with valence 2 or a valence lower than in a corresponding ferric compound.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of or containing iron.
  • adj. Of compounds of iron in which it has a valence or oxidation number of 2.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Pertaining to, or derived from, iron; -- especially used of compounds of iron in which the iron has its lower valence of two.

from The Century Dictionary and Cyclopedia

  • Pertaining to or obtained from iron; specifically, pertaining to iron in the bivalent condition: contrasted with ferric (which see).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. of or relating to or containing iron

Etymologies

From Latin ferrum ("iron") (Wiktionary)

Examples

  • Hydrochloric acid, for example, with chalybite (ferrous carbonate) will give a solution of _ferrous_ chloride; with hæmatite (ferric oxide) it will yield _ferric_ chloride; and with magnetite (ferrous and ferric oxides) a mixture of ferrous and ferric chlorides.

    A Text-book of Assaying: For the Use of Those Connected with Mines.

  • We are lowering our 2010 EPS outlook to $1.25 from $1.35 to account for more subdued spread expectations in carbon steel products, partially offset by an improved profit outlook for Metals Recycling given rising near-term ferrous scrap demand/pricing.

    StreetInsider.com News Articles

  • They are lowering our 2010 EPS outlook to $1.25 from $1.35 to account for more subdued spread expectations in carbon steel products, partially offset by an improved profit outlook for Metals Recycling given rising near-term ferrous scrap demand/pricing.

    StreetInsider.com News Articles

  • Those derived from the lower oxide, known as ferrous salts, are generally pale and greenish.

    A Text-book of Assaying: For the Use of Those Connected with Mines.

  • O4and the common chemical name ferrous-ferric oxide, which indicates the mineral comprises both a ferrous component, FeO (wüstite), and a ferric component, Fe

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  • One is a hard type of iron ore known as ferrous oxide.

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  • It is important to remember that multivitamins with iron contain a smaller quantity of elemental iron and are therefore, less radiopaque than preparations such as ferrous sulfate and that partially dissolved tablets will not be as radiopaque as undissolved tablets.

    Iron Poisoning

  • Mineral products such as ferrous ores, coal (US$18,6 million), products of machine building industry (US$6,76 million), chemical products and plastics (US$3,43 million), foods and beverages

    ANC Daily News Briefing

  • When the ore also carries substances which have a reducing effect (such as ferrous compounds), such assays will give, not the total dioxide (MnO_ {2}), but less, by the amount required to oxidise these impurities; and this is exactly what is required in valuing such an ore for commercial purposes.

    A Text-book of Assaying: For the Use of Those Connected with Mines.

  • Nitrates are best detected and determined by their yielding nitric oxide when treated with sulphuric acid and a suitable reducing agent, such as ferrous sulphate, mercury, or copper.

    A Text-book of Assaying: For the Use of Those Connected with Mines.

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  • Robot or not: to help us better tell fleshy friend from ferrous foe.

    January 9, 2014