sulfur
- Also especially British, sulphur. Chemistry. a nonmetallic element that exists in several forms, the ordinary one being a yellow rhombic crystalline solid, and that burns with a blue flame and a suffocating odor: used especially in making gunpowder and matches, in medicine, in vulcanizing rubber, etc. Symbol: S; atomic weight: 32.064; atomic number: 16; specific gravity: 2.07 at 20° C.
- sulphur(def 2).
Origin of sulfur
Examples from the Web for sulfur
Contemporary Examples of sulfur
Sulfur boosts glutathione because glutathione is, in part, made up of sulfur molecules, explains Hyman.
Pfifferling, like most natural wine producers, adds no sulfur dioxide aside from minimal amounts when he bottles the wine.
Historical Examples of sulfur
Violently ill, I felt the sulfur dioxide rush from my lungs.
Question of ComfortLes Collins
A sulfid is a combination of sulfur with a metal or other body.
Tin Foil and Its Combinations for Filling TeethHenry L. Ambler
Under no circumstances, however, ignite any sulfur in a greenhouse.
The Practical Garden-BookC. E. Hunn
These are nitrogen, phosphorus, potassium, and (possibly) sulfur.
The Chemistry of Plant LifeRoscoe Wilfred Thatcher
Four are non-metallic solids: carbon, sulfur, phosphorus and silicon.
Creative ChemistryEdwin E. Slosson
sulfur
- the US preferred spelling of sulphur
Word Origin and History for sulfur
also sulphur, c.1300, from Old French soufre (13c.), from Late Latin sulfur, from Latin sulphur, probably from a root meaning "to burn." Ousted native brimstone and cognate Old English swefl.
sulfur
- A yellow nonmetallic element occurring widely in nature in several free and combined allotropic forms and used in the manufacture of pharmaceuticals and many sulfur compounds, especially sulfuric acid. Atomic number 16.
sulfur
- A pale-yellow, brittle nonmetallic element that occurs widely in nature, especially in volcanic deposits, minerals, natural gas, and petroleum. It is used to make gunpowder and fertilizer, to vulcanize rubber, and to produce sulfuric acid. Atomic number 16; atomic weight 32.066; melting point (rhombic) 112.8°C; (monoclinic) 119.0°C; boiling point 444.6°C; specific gravity (rhombic) 2.07; (monoclinic) 1.957; valence 2, 4, 6. See Periodic Table.