spiegeleisen

A kind of harpoon with a detachable head of peculiar shape, used in catching swordfish.

(nautical) A special kind of harpoon, usually secured just below the gunwale of a whaleboat.

Iron that is cast as white iron and then transformed into malleable form through an annealing heat treatment.

A solution of iron acetate, used as a mordant by dyers.

The thin film that forms on the surface of wrought iron in the process of forging. It consists essentially of the magnetic oxide of iron.

Alternative form of ironsand (“sand with iron content”) / An iron ore in grains, usually the magnetic iron ore, formerly used to sand paper after writing. / steel filings used in fireworks.

(slang) A motor vehicle, such as a car or a motorbike.

The yellow discoloration of cloth by rusty iron.

An opaque, flint-like, ferruginous variety of quartz.