noun, Chemistry.
a colorless, nonflammable, water-soluble, suffocating gas, SO 2 , formed when sulfur burns: used chiefly in the manufacture of chemicals such as sulfuric acid, in preserving fruits and vegetables, and in bleaching, disinfecting, and fumigating.
sulfur dioxide
A colorless, poisonous gas or liquid with a strong odor. It is formed naturally by volcanic activity, and is a waste gas produced by burning coal and oil and by many industrial processes, such as smelting. It is also a hazardous air pollutant and a major contributor to acid rain. Chemical formula: SO2.

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  • Sulfur-flower

    [suhl-fer-flou-er] /ˈsʌl fərˌflaʊ ər/ noun 1. sulphur-flower. sulphur-flower or sulfur-flower [suhl-fer-flou-er] /ˈsʌl fərˌflaʊ ər/ noun 1. a plant, Eriogonum umbellatum, of the buckwheat family, native to the western coast of the U.S., having leaves with white, woolly hairs on the underside and golden-yellow flowers.

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