sulphur

¹ American  

[suhl-fer] / ˈsʌl fər /

noun

1. Chiefly British. sulfur.

2. Also yellow with a greenish tinge; lemon color.

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Sulphur ² American  

[suhl-fer] / ˈsʌl fər /

noun

1. a city in SW Louisiana.

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sulphur British  

/ ˈsʌlfə, sʌlˈfjʊərɪk /

noun

1. 1. an allotropic nonmetallic element, occurring free in volcanic regions and in combined state in gypsum, pyrite, and galena. The stable yellow rhombic form converts on heating to monoclinic needles. It is used in the production of sulphuric acid, in the vulcanization of rubber, and in fungicides. Symbol: S; atomic no: 16; atomic wt: 32.066; valency: 2, 4, or 6; relative density: 2.07 (rhombic), 1.957 (monoclinic); melting pt: 115.22°C (rhombic), 119.0°C (monoclinic); boiling pt: 444.674°C

   2. ( as modifier )

      sulphur springs

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Other Word Forms

• sulphuric adjective

Etymology

Origin of sulphur

Variant of sulfur

Example Sentences

Another issue is that Russian Urals crude has a higher sulphur content than the Brent crude supplied from elsewhere.

From BBC

At the Chhath festivities too, firecrackers lit up the sky, leaving the air acrid with the smell of burnt sulphur.

From Barron's

Prior to 2020, dirty engine oil produced large amounts of sulphur dioxide, a gas harmful to human health.

From BBC

The processing of phosphate rock into fertiliser emits toxic gases such as sulphur dioxide and ammonia.

From Barron's

Nigeria’s crude oil is low in sulphur and, as one of the most prized in the world, fetches a higher price than many of its competitors.

From BBC