An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 2 Search : ferrous
ferrous
  فرور   
fervar

Fr.: ferreux   

Of or containing → iron, especially in the bivalent state. More specifically, iron with → oxidation number of +2, denoted iron(II) or Fe2+.

From L. ferrum "iron," + -ous a suffix forming adjectives that have the general sense "possessing, full of" a given quality.

Fervar, from fer, loan from Fr., + -var adj. suffix.

ferrous iron
  آهن ِ فرور   
âhan-e fervar

Fr.: fer ferreux, fer bivalent   

Iron in a plus-2 → oxidation state.

ferrous; → iron.