Pertaining to, derived from, or containing iron. / (chemistry) Of compounds of iron in which it has a valence or oxidation number of 3

(Britain, dated, inorganic chemistry) iron(III) sulfate

(US, dated, inorganic chemistry) iron(III) sulfate

(chemistry) The chemical compound Fe₂O₃, iron oxide where iron has a valence of +3.

(metallurgy) A compound of iron with carbon (Fe₃C).

(inorganic chemistry) A hypothetical acid, with chemical formula H₂FeO₄, known only as its salts.

an inorganic compound with the formula FeCl₃.

(inorganic chemistry) a mixed salt of citric acid with iron and ammonia, Fe(NH₄)₃(C₆H₅O₇)₂; used to treat anemia, and in the manufacture of blueprint paper

(inorganic chemistry) Any of various salts containing the trivalent anion Fe(CN)₆³⁻; used in making blue pigments.

(inorganic chemistry) Of, pertaining to, or derived from a ferricyanide