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Derived from iron
Answer for the clue "Derived from iron ", 7 letters:
ferrous
Word definitions for ferrous in dictionaries
Wiktionary
Word definitions in Wiktionary
a. 1 Of or containing iron. 2 (context chemistry English) Of compounds of iron in which it has a valence or oxidation number of 2.
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
"pertaining to or containing iron," 1865, from Latin ferreus "made of iron," from ferrum "iron" (see ferro- ). In chemistry, "containing iron," especially with a valence of two. Contrasted with ferric .
Longman Dictionary of Contemporary English
Word definitions in Longman Dictionary of Contemporary English
adjective COLLOCATIONS FROM CORPUS ■ NOUN metal ▪ The proportion of ferrous metal recycled fell from 71 percent in 1980 to 44 percent in 1988. ▪ Mining and non ferrous metal issues were also strong, following gold prices higher, traders said. ▪ By 1873 ...
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Ferrous \Fer"rous\, a. [Cf. F. ferreux. See Ferreous .] (Chem.) Pertaining to, or derived from, iron; -- especially used of compounds of iron in which the iron has its lower valence of two; as, ferrous sulphate.
Wikipedia
Word definitions in Wikipedia
Ferrous (Fe), in chemistry , indicates a divalent iron compound (+2 oxidation state ), as opposed to ferric , which indicates a trivalent iron compound (+3 oxidation state). This usage has mostly been deprecated, with current IUPAC nomenclature having names ...
WordNet
Word definitions in WordNet
adj. of or relating to or containing iron [syn: ferric ]
Usage examples of ferrous.
Colonies of a dozen species of slow growing chemoautotrophs had been introduced into a part of the Rift rich with sulfur and ferrous iron.
Colonies of a dozen species of slow-growing chemoautotrophs were introduced into a part of the Rift rich with sulfur and ferrous iron.
Ferrous compounds are converted into ferric by the action of an oxidising agent in the presence of an acid.
Those derived from the lower oxide, known as ferrous salts, are generally pale and greenish.
A rivulet descends through ferrous clods of mud, arrayed down strips of descending field.
The bolides were selected for the purpose in the first place, of course, because of their high ferrous content.
At that point, specific areas, riddled with channel-intersections, would give way, and immense plugs would be forced up toward the crust, plugs of iron, connected by ferrous cantilevers through the channels between.
Among these activators are magnesium, manganous zinc, ferrous, cobaltous, and nickelous ions, as well as others.
Faraday himself was granted 10% of the capital gratis, the remainder being supplied by the government, the Ferrous Metals and Trevithick Autosteamer Combines, and the Landholders' League and individuals.
There, in cooperation with engineers from the Naysmith and Ferrous Metals Combines, he quickly perfected his designs.
Most salt at Klima is white, but certain of the mines deliver red salt, red from ferrous oxide in its composition, which is called the Red Salt of Kasra, after its port of embarkation, at the juncture of the Upper and Lower Fayeen.
Not recorded as charges on a ferrous oxide layer but actually punched-free slots.
Already she tasted traces of ferrous oxide, calcium, and other minerals through her cilia.
Corrosion involved ferrous oxide, or rust, and its reaction to open air.
I'm not strong on chemistry, but I think this is powdered aluminium and ferrous oxide.