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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

Ord Minnett says Lotus’s supplies of acid and sulphur look secure at present, but fuel is more precarious.

From The Wall Street Journal ● Mar. 25, 2026

Charles Goodyear discovered vulcanization when a mixture of natural rubber and sulphur accidentally fell onto a hot surface.

From Science Daily ● Mar. 14, 2026

The Middle East is also a major source of aluminium, sulphur, which is used to process metals such as copper, as well as ingredients for fertiliser including urea.

From BBC ● Mar. 9, 2026

At evening a dull sulphur light from the fires.

From "The Road" by Cormac McCarthy

“It’s getting to that critical point where inventories are being drawn down and production of critical minerals and agricultural products like phosphate, are slowing down,” said Craig Jorgenson, CEO of industry group the Sulphur Institute.

From The Wall Street Journal ● May 9, 2026

Sulphur is another byproduct of the processing of crude oil and natural gas and produced in large volumes for export in the Gulf region.

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

Though people lived there all year long, White Sulphur Springs was a vacation town.

From "Reaching for the Moon" by Katherine Johnson