ferroanadj.

Brit.

/ˈfɛrəʊən/, U.S.

/ˈfɛroʊən/

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin ferrum , -oan suffix.

Etymology: < classical Latin ferrum iron (see ferro- comb. form) + -oan suffix. Compare ferrian adj.

Mineralogy.

Of a mineral: having a (small) proportion of a constituent element replaced by ferrous iron (oxidation number +2; cf. ferrous adj. 2). Contrasted with ferrian adj.

ΘΚΠ

the world > the earth > minerals > change processes > [adjective] > having proportion replaced

titanian1813

aluminian1930

ferrian1930

ferroan1930

fluorian1930

lithian1930

magnesian1930

manganoan1930

molybdenian1930

nickelian1930

plumbian1930

sodian1930

strontian1930

tantalian1930

thorian1930

vanadian1930

molybdian1951

niobian1956

1930 W. T. Schaller in Amer. Mineralogist 15 571 Iron—ferroan, ferrian.

1944 C. Palache et al. Dana's Syst. Mineral. (ed. 7) I. 637 Some fibrous brucite is reported to be highly ferroan, but this may be owing to admixed magnetite.

1965 G. J. Williams Econ. Geol. N.Z. xi. 167/2 The occurrence of camptonites, vogesites and monchiquite with abundant ferroan dolomite.

2008 Jrnl. Paleontol. 82 1129/1 Sulci are difficult to delineate on the mildly convex dorsal side due to a coating of ferroan calcite.

This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022).

单词	ferroan
释义	ferroanadj. Brit. /ˈfɛrəʊən/, U.S. /ˈfɛroʊən/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin ferrum , -oan suffix. Etymology: < classical Latin ferrum iron (see ferro- comb. form) + -oan suffix. Compare ferrian adj. Mineralogy. Of a mineral: having a (small) proportion of a constituent element replaced by ferrous iron (oxidation number +2; cf. ferrous adj. 2). Contrasted with ferrian adj. ΘΚΠ the world > the earth > minerals > change processes > [adjective] > having proportion replaced titanian1813 aluminian1930 ferrian1930 ferroan1930 fluorian1930 lithian1930 magnesian1930 manganoan1930 molybdenian1930 nickelian1930 plumbian1930 sodian1930 strontian1930 tantalian1930 thorian1930 vanadian1930 molybdian1951 niobian1956 1930 W. T. Schaller in Amer. Mineralogist 15 571 Iron—ferroan, ferrian. 1944 C. Palache et al. Dana's Syst. Mineral. (ed. 7) I. 637 Some fibrous brucite is reported to be highly ferroan, but this may be owing to admixed magnetite. 1965 G. J. Williams Econ. Geol. N.Z. xi. 167/2 The occurrence of camptonites, vogesites and monchiquite with abundant ferroan dolomite. 2008 Jrnl. Paleontol. 82 1129/1 Sulci are difficult to delineate on the mildly convex dorsal side due to a coating of ferroan calcite. This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022). < adj.1930
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