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sulphur

1 American  
[suhl-fer] / ˈsʌl fər /

noun

  1. Chiefly British. sulfur.

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


Sulphur 2 American  
[suhl-fer] / ˈsʌl fər /

noun

  1. a city in SW Louisiana.


sulphur British  
/ ˈsʌlfə, sʌlˈfjʊərɪk /

noun

    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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of sulphur

Variant of sulfur

Vocabulary lists containing sulphur

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

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

But the MOL refineries lack equipment to refine non-Russian oil, which has a lower sulphur content.

From BBC Mar. 20, 2026

He was accustomed to say of his profession that all he was sure of was that sulphur would cure the itch.

From "East of Eden" by John Steinbeck

“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

The intervening year helped her make the transition to everything but the Virginia heat; many was the night she pined for White Sulphur Springs’ brisk summer nights.

From "Hidden Figures" by Margot Lee Shetterly

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