(archaic) A tailor's iron, heated in live coals or embers, used to press fabrics.

plural of goose iron

Alternative letter-case form of iron triangle

(biochemistry) A unit comprising two or more iron atoms and bridging sulfur ligands in an iron-sulfur protein.

(Britain) Alternative spelling of iron-sulfur cluster

(biochemistry) any protein in which iron is coordinated with cysteine sulfur and sometimes also with inorganic sulfur; they have electron transfer and enzymatic function

(Britain) Alternative spelling of iron-sulfur protein

a supposed test for witchcraft in which a hot iron was applied to the skin (or the tongue) - the skin of a witch would be unharmed

(inorganic chemistry) The crystalline salt of trivalent iron and sulfuric acid, Fe₂(SO₄)₃.

(inorganic chemistry) The green, crystalline salt of divalent iron and sulfuric acid, FeSO₄, used as a pigment, and in water treatment.