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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, 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

See Examples For:

sulphur Sulphur

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

On the Congolese route, he said LAR can now run up to one "copper train" a day to Lobito and one "sulphur train" a day back toward the mines.

From Barron's ● May 7, 2026

In January, authorities attributed elevated sulphur pollution levels in Gauteng to transboundary pollution from neighbouring Mpumalanga, South Africa's most polluted industrial zone.

From Barron's ● Apr. 22, 2026

This is vital, not just for oil and gas, but also jet fuel, sulphur, urea and diesel.

From BBC ● Apr. 8, 2026

He mixed some sulphur and hog fat and greased his body every morning.

From "The Heart is a Lonely Hunter" by Carson McCullers

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

“Maybe you can explain it better than I can, Josh,” Mama said to Daddy, who was sitting in the front room reading the White Sulphur Sentinel, our town’s newspaper.

From "Reaching for the Moon" by Katherine Johnson