Defn: See Ferro-.

FERROTYPE
Fer"ro*type, n. Etym: [L. ferrum iron + -type.]

Defn: A photographic picture taken on an iron plate by a collodion process; — familiarly called tintype.

FERROUS
Fer"rous, a. Etym: [Cf. F. ferreux. See Ferreous.] (Chem.)

Defn: Pertaining to, or derived from, iron; — especially used of compounds of iron in which the iron has its lower valence; as, ferrous sulphate.

FERRUGINATED
Fer*ru"gi*na`ted, a. Etym: [See Ferrugo.]

Defn: Having the color or properties of the rust of iron.

FERRUGINEOUS
Fer`ru*gin"e*ous, a.

Defn: Ferruginous. [R.]

FERRUGINOUS Fer*ru"gi*nous, a. Etym: [L. ferruginus, ferrugineus, fr. ferrugo, - ginis, iron rust: cf. F. ferrugineux. See Ferrugo.]