a combining form with the meanings “iron,” “ferric,” used in the formation of compound words:
indicating the presence of iron, esp in the trivalent state: ferricyanide, ferriferous Compare ferro-
Iron, especially ferric ion: ferritin.
[fer-ee-ij] /ˈfɛr i ɪdʒ/ noun 1. conveyance or transportation by a ferryboat. 2. the fare charged for . /ˈfɛrɪɪdʒ/ noun 1. transportation by ferry 2. the fee charged for passage on a ferry
[fer-ik] /ˈfɛr ɪk/ adjective, Chemistry. 1. of or containing iron, especially in the trivalent state. /ˈfɛrɪk/ adjective 1. of or containing iron in the trivalent state: ferric oxide; designating an iron (III) compound adj. 1799, from Latin ferrum “iron” (see ferro-) + -ic. Of iron, especially with a valence of three. ferric fer·ric (fěr’ĭk) adj. […]
noun, Chemistry. 1. a green, crystalline, water-soluble, synthetically produced powder, (NH 4) 3 Fe(C 2 O 4) 3 ⋅3H 2 O, used chiefly in the manufacture of blueprint paper.
noun, Chemistry. 1. a compound that in its anhydrous form, FeCl 3 , occurs as a black-brown, water-soluble solid; in its hydrated form, FeCl 3 ⋅xH 2 O, it occurs in orange-yellow, deliquescent crystals: used chiefly in engraving, for deodorizing sewage, as a mordant, and in medicine as an astringent and styptic.