(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.

The interstitial solid solution of carbon in body-centered cubic iron.

(rare) a ferryman

(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.

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

Containing iron.

(uncountable) Transportation by ferry. / (countable) The fee paid for a ferry ride.