(inorganic chemistry) The insoluble lead salt or sulfuric acid, PbSO₄, that forms in lead-acid batteries

(organic chemistry) The organic sulfur compound (CH₃)₂S that is a breakdown product of many biological sulfur compounds; it has a number of industrial uses

(American spelling, chemistry) Any salt or ester of sulfamic acid

(pharmacology) A combination of trimethoprim and sulfamethoxazole in the ratio of 1 to 5.

(inorganic chemistry) The sulfide of mercury, HgS, that occurs as the mineral cinnabar.

plural of sulfamate

(pharmacology) A long-lasting sulfonamide often used to treat or prevent malaria and certain infections of livestock.

(organic chemistry) The methyl ester of sulfuric acid, (CH₃)₂SO₄, used as a methylating agent in organic chemistry

(inorganic chemistry) The binary sulfide of ferrous iron, FeS, that occurs in several minerals

(pharmacology) A sulfonamide antibiotic that works by halting the production of folic acid inside the bacterial cell, commonly used to treat meningococcal meningitis, toxoplasmosis, and urinary tract infections.