| DESULPHURATIONS | • desulphurations n. Plural of desulphuration. • DESULPHURATION n. the act of desulphuring. |
| HYDROSULPHUROUS | • HYDROSULPHUROUS adj. as in hydrosulphurous acid. |
| METABISULPHITES | • metabisulphites n. Plural of metabisulphite. • METABISULPHITE n. as in sodium metabisulphite, an inorganic compound. |
| PEROXYSULPHURIC | • PEROXYSULPHURIC adj. as in peroxysulphuric acid. |
| SESQUISULPHIDES | • sesquisulphides n. Plural of sesquisulphide. • SESQUISULPHIDE n. a compound with three atoms of sulphur to two of the other element or radical. |
| SULPHACETAMIDES | • SULPHACETAMIDE n. a sulphonamide used in eye drops against conjunctivitis, etc., also SULFACETAMIDE. |
| SULPHANILAMIDES | • sulphanilamides n. Plural of sulphanilamide. • SULPHANILAMIDE n. a white crystalline compound formerly used as an antibacterial drug. |
| SULPHATHIAZOLES | • sulphathiazoles n. Plural of sulphathiazole. • SULPHATHIAZOLE n. a sulphonamide formerly used in human medicine against staphylococcal infection (now only used in veterinary medicine), also SULFATHIAZOLE. |
| SULPHINPYRAZONE | • sulphinpyrazone n. Alternative form of sulfinpyrazone. • SULPHINPYRAZONE n. a drug used to treat gout. |
| SULPHONMETHANES | • SULPHONMETHANE n. a colourless crystalline compound used medicinally as a hypnotic, also SULFONMETHANE. |
| SULPHUREOUSNESS | • sulphureousness n. Archaic form of sulphurousness. • SULPHUREOUSNESS n. the state of being sulphureous. |
| SULPHURISATIONS | • SULPHURISATION n. the process of sulphurising, also SULPHURIZATION. |
| SULPHURIZATIONS | • sulphurizations n. Plural of sulphurization. • SULPHURIZATION n. the process of sulphurizing, also SULPHURISATION. |