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

  • adj. Of, relating to, or containing iron, especially with valence 3 or a valence higher than in a corresponding ferrous compound.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Pertaining to, derived from, or containing iron.
  • adj. Of compounds of iron in which it has a valence or oxidation number of 3

from the GNU version of the Collaborative International Dictionary of English

  • adj. Pertaining to, derived from, or containing iron. Specifically (Chem.), denoting those compounds in which iron has a higher valence than in the ferrous compounds

from The Century Dictionary and Cyclopedia

  • Pertaining to or extracted from iron; specifically, pertaining to iron in the quadrivalent condition.
  • In electricity, containing iron.

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

  • adj. of or relating to or containing iron


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin ferricus, from ferrum ("iron")


  • 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.

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  • Zerenex, the compound Keryx is developing, is an iron-based compound called ferric citrate, which we believe could potentially lower the pill burden by a third to a half for patients that have to take the phosphate binders when compared to the other drugs in the market as well, beyond Renagel/Renvela.

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  • The magnetic component of the direction-giving nanoparticles is usually an iron-based compound called ferric oxide which is coated in a biocompatible surface, sometimes using, for example, fatty acids, to provide stability during the particles journey through one's body. - latest science and technology news stories

  • Lime, bog ore, and various metallic salts, such as ferric chloride, barium chloride, and copper sulphate have been suggested, and in some instances are used instead of aluminium sulphate, but the latter is generally employed.

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  • Many compounds are insoluble in acetic acid, which are soluble in mineral acids, such as ferric phosphate, ferric arsenate, zinc sulphide, calcium oxalate, &c., so that the use of acetic acid is valuable in some separations.

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

  • (such as ferric chloride) can be used, despite their higher cost, when broader pH ranges for coagulation are required.

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  • Is there a ferric bead-type solution that will prevent the recorder from channeling this interference? team. bates

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  • What works are societies governed according to principles that conform to the iron laws of human nature, and the ideological shifts of China have shown everything but ferric tendencies.

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  • We ate them together, the chemical sweetness of the cookies dissolving into the ferric tea.

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  • It uses a ferric dicitrate transport system for iron acquisition, although citrate does not enter the cell in this process (37, 38).

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