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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

Fitch also raises assumptions for diammonium phosphate prices for 2026-2027, to reflect rising sulphur prices.

From The Wall Street Journal ● Sep. 24, 2026

As the eruption eventually begins to weaken, sulphur dioxide high in the atmosphere forms sunlight-reflecting sulfate aerosols that spread around the northern hemisphere to influence the world’s climate for several years.

From Science Daily ● Sep. 22, 2026

"Fires release carbon, nitrogen and sulphur back into the atmosphere, in itself contributing to climate change," he said.

From BBC ● Sep. 13, 2026

Burning coal and oil releases sulphur dioxide, which forms tiny particles known as sulphate aerosols.

From BBC ● Sep. 8, 2026

“Its calculators can be set to any combination, so many amino acids, so much sulphur, so much butterfat and alkaline. Right?”

From "Fahrenheit 451" by Ray Bradbury

“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 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

“Well, President Davis, yesterday I moved my family cross-state from White Sulphur Springs, over by the Virginia line, so that the rest of my children can attend the Institute. My daughter Margaret already goes here.”

From "Reaching for the Moon" by Katherine Johnson