Is it sulfur or sulphur?
Recent Examples of sulfur from the Web
As a result, the plant released 1,312.84 pounds of sulfur dioxide, well in excess of the amounts allowed by the company's permits.
At the same time, the levels of six key air pollutants — carbon monoxide, lead, nitrogen dioxide, ozone, particulate matter and sulfur dioxide — have declined dramatically.
This includes: salicylic acid, kaolin (commonly found in clay masks), sulfur, retinyl palmitate (a retinol derivative), and glycolic acid to smooth skin.
There are no preservatives and no chemicals in this wine–many of these makers use only natural sulfur and copper to preserve the grapes.
For bumps, swap the usual acne-zapping ingredients (salicylic acid, benzoyl peroxide) for gentler sulfur.
Ironite and/or sulfur can be used to lower the pH over several years.
The report’s investigative team has previously concluded that chlorine and sulfur mustard — commonly known as mustard gas — were used as weapons in Syria.
Apply an iron product in tandem with a sulfur soil acidifier to help keep the iron in a soluble form.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sulfur.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of sulfur
First Known Use: 14th centurySee Words from the same year
SULFUR Defined for English Language Learners
Definition of sulfur for English Language Learners
chemistry : a yellow chemical element that has a strong, unpleasant odor when it is burned and that is used in making paper, gunpowder, medicine, etc.
SULFUR Defined for Kids
Definition of sulfur for Students
medical Definition of sulfur
Seen and Heard
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