sul|fur

sul|fur
sul|fur «SUHL fuhr», noun, adjective, verb.
–n.
1. a light-yellow, nonmetallic chemical element that burns in the air with a blue flame and a stifling odor; brimstone. Sulfur is found abundantly in volcanic regions, occurring free in nature as a brittle, crystalline solid or in combination with metals and other substances, and is also a constituent of proteins. It is used in making matches, gunpowder, paper pulp, fertilizers, medicines, and insecticides, and for vulcanizing rubber and in bleaching.
2. a greenish yellow; sulphur.
–adj.
greenish-yellow; sulphur.
–v.t.
to combine or treat with sulfur; sulfurate. Also, sulphur.
╂[Middle English soufre, and sulfre < Anglo-French sulfere, Old French soufre < Latin sulfur, or sulphur]

Useful english dictionary. 2012.

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  • sul|fur|ous — «SUHL fuhr uhs, fyuhr ; in Chemistry, also suhl FYUR uhs», adjective. 1. a) of or having to do with sulfur. b) containing sulfur, especially with a valence of four. 2. like burning sulfur; fiery. 3. like sulfur in color; sulphurous: »The city,… …   Useful english dictionary

  • sul|fur-bot|tom — «SUHL fuhr BOT uhm», noun. = sulphur bottom. (Cf. ↑sulphur bottom) …   Useful english dictionary

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  • de|sul|fur — or de|sul|phur «dee SUHL fuhr», transitive verb. to free from sulfur; desulfurize …   Useful english dictionary

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  • hy|po|sul|fur|ous — «HY puh SUHL fuhr uhs, fyur ; suhl FYUR uhs», adjective. of or having to do with hyposulfurous acid …   Useful english dictionary

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