(dated, inorganic chemistry) Iron(II) sulfate.

(inorganic chemistry) A salt of divalent cobalt and the sulfate radical, CoSO₄.

(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.

(US, dated, inorganic chemistry) iron(III) sulfate

(inorganic chemistry) The calcium salt of sulfuric acid, CaSO₄, the hydrates of which are known as gypsum or plaster of Paris, and the anhydrous mineral form being anhydrite.

(pharmacology) An antibacterial sulfonamide C₁₀H₁₁N₃O3S used alone or in combination with trimethoprim (as in the treatment of urinary tract infections or acute otitis media).

plural of sulfur oxide

(inorganic chemistry) The sodium salt of sulfuric acid, Na₂SO₄; it is a mild laxative (as Glauber's salt), and is used in the manufacture of paper, detergents and many other products.

(US, inorganic chemistry) An inorganic chemical compound, (NH₄)₂SO₄, commonly used as a fertilizer and as a food additive (E517) used as an improving agent.