ferro-, ferr-, ferri-

(Latin: iron; pertaining to, or containing iron)

ferriferous (adjective), more ferriferous, most ferriferous
Characteristic of rocks that contain iron: Among other miners, Leo and Harold were digging to collect ferriferous ores or quartz which could be used to smelt into steel.

The geologists from the university, William and Carl, identified ferriferous rocks and wrote their report which was given to a mining company.

ferroalloy (s) (noun), ferroalloys (pl)
1. An iron alloy, containing a large proportion of one or more other elements, which is added to molten metal during iron and steel production to give the required composition.
2. Any of various alloys of iron and one or more other elements; such as, manganese or silicon, used as a raw material in the production of steel.
1. A crystalline compound that has a natural spontaneous electric polarization that can be reversed by the application of an electric field.
2. Relating to a crystalline dielectric that can be given a permanent electric polarization by the application of an electric field.
1. Characteristic of substances; such as, iron, nickel, or cobalt and various alloys that exhibit extremely high magnetic permeability, a characteristic saturation point, and magnetic hysteresis (delayed response by an object to changes in the forces acting on it, especially magnetic forces).
2. With the property of ferromagnetism.

Iron, cobalt, and nickel are ferromagnetic metals.

1. A phenomenon exhibited by materials like iron (nickel or cobalt) that become magnetized in a magnetic field and retain their magnetism when the field is removed.
2. The property of certain metals and alloys; especially, those of the iron group, rare-earth, and acitinide series, that are capable of spontaneous magnetic polarization, resulting in drastic magnetic effects.

These materials are strongly attracted to magnets and are used in permanent magnets and various ceramic compounds.

The treatment of disease with iron.
ferrotype, tintype
A positive photograph made directly on an iron plate varnished with a thin sensitized film.

Links to iron words Another "iron" unit: sidero-.