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noun B2 Upper-Intermediate Uncommon

sulfur

SUHL-fuh
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Sulfur (noun) means a pale yellow chemical element known for its strong smell, used in matches, gunpowder, and pest control. Example: “The volcanic vents released a strong smell of sulfur.”

noun
1
A pale yellow chemical element known for its strong smell, used in matches, gunpowder, and pest control.
"The volcanic vents released a strong smell of sulfur."
"Sulfur is added to some wines as a preservative."
adjective
1
Having a yellowish-green colour like the element.
"The butterfly's sulfur wings stood out against the dark leaves."

How to use sulfur

Learner’s notes

In plain EnglishA yellow, strong-smelling chemical element, also associated in folklore with the smell of hell.

UK vs US

British English traditionally spells it "sulphur"; American English uses "sulfur," now the official scientific spelling.

Easily confused with
Common pairings
smell of sulfur sulfur dioxide sulfur compound
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Word forms

Plural
sulfurs
Third person singular
sulfurs
Past tense
sulfured
Comparative
more sulfur
Superlative
most sulfur
Test yourself on “sulfur” A quick quiz — meaning, synonyms & usage →

Fill the gap

Can you complete this real example?

The volcanic vents released a strong smell of _____.

Etymology

From Middle English sulphur, via Anglo-Norman, ultimately from Latin sulpur/sulfur of uncertain origin. It displaced the native Old English word swefl.

Origin: Latin

sulphur S atomic number 16

Related words

Frequently asked questions

What does “sulfur” mean?
The word “sulfur” means a pale yellow chemical element known for its strong smell, used in matches, gunpowder, and pest control. In plain terms, a yellow, strong-smelling chemical element, also associated in folklore with the smell of hell.
How do you pronounce “sulfur”?
“Sulfur” is pronounced SUHL-fuh (/ˈsʌl.fɚ/ in IPA).
How do you use “sulfur” in a sentence?
Here is “sulfur” used in a sentence: “The volcanic vents released a strong smell of sulfur.”
What part of speech is “sulfur”?
Depending on how it is used, “sulfur” can be a noun and an adjective.
Where does the word “sulfur” come from?
The word “sulfur” comes from Latin. From Middle English sulphur, via Anglo-Norman, ultimately from Latin sulpur/sulfur of uncertain origin. It displaced the native Old English word swefl.
Is “sulfur” a common word?
“Sulfur” is an uncommon word in modern English, usually learned at around the B2 level.
How many meanings does “sulfur” have?
“Sulfur” has 2 distinct senses listed in this dictionary. The most common is: a pale yellow chemical element known for its strong smell, used in matches, gunpowder, and pest control.

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