A mixture of fine iron particles, unreacted iron oxide (ore), slag and charcoal residue.

(obsolete, chemistry) iron(II) sulfate

finely powdered iron, which ignites spontaneously in air

(historical) A falsely or neo-medieval torture device invented in the 18th century consisting of a chamber lined with spikes which closes upon and impales the victim inside.

(inorganic chemistry) Ferrosilicon.

small fragments of iron, filed from a bar; used to visualize the presence of a magnetic field, and as a food additive

a tool, rather like a chisel, used to caulk a ship, tighten seams in ironwork and other things

Alternative spelling of cast iron

Alternative spelling of cast iron

Misspelling of wrought iron.