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• sulphur
  sulphur

  noun

  sulfur.
• Sulphur
  Sulphur

  noun

  a city in SW Louisiana.

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 /

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

See Examples For:

sulphur Sulphur

The name "Pearl Sweet" is a reference to Uganda's nickname as the "pearl of Africa" and the oil's low sulphur content.

From Barron's ● Sep. 2, 2026

Gregory noted the experiment had captured the impact of nitrogen and sulphur, which once fell on land across the UK, had effectively fertilised it from the air.

From BBC ● Jul. 27, 2026

He points out how EU sulphur limits changed behaviour: ships calling at European ports had to switch to cleaner fuels or fit scrubbers to reduce pollution.

From BBC ● Jul. 9, 2026

The UN secretary general created the task force in March to spearhead a mechanism to allow fertilisers and related raw materials such as ammonia, sulphur and urea through the strait.

From Barron's ● May 11, 2026

Whether it was a touch of sulphur riding a breeze or a flick of yellow flame far ahead in the daylight, he could not say for sure.

From "The Princess Bride" by William Goldman

The fight spans the resort’s home in the hills of White Sulphur Springs to the state capital of Charleston.

From The Wall Street Journal ● Jun. 6, 2026

Sulphur is used to make sulphuric acid, which is used for processing copper, cobalt and nickel and also for the extraction of lithium.

From BBC ● Mar. 26, 2026

His bunkers can be built from concrete directly on-site, or fabricated from metal at his facility in the town of Sulphur Springs in rural Texas, and then transported to the client.

From Barron's ● Mar. 12, 2026

Sulphur Springs Trail Camp sits at 5,300 feet in Angeles National Forest and features about six tent-camping sites.

From Los Angeles Times ● May 13, 2025

Outside of White Sulphur Springs, the land is all hilly green, and she passes farms and tractors trundling up dirt roads.

From "A Heart in a Body in the World" by Deb Caletti