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sulfuric acid

American  

noun

Chemistry.
  1. a clear, colorless to brownish, dense, oily, corrosive, water-miscible liquid, H 2 SO 4 , usually produced from sulfur dioxide: used chiefly in the manufacture of fertilizers, chemicals, explosives, and dyestuffs and in petroleum refining.


sulfuric acid Scientific  
  1. A strong corrosive acid. It combines very easily with water, making it a good drying agent. Sulfuric acid is the most widely used acid in industry. It is used to make detergents, dyes, drugs, explosives, pigments, fertilizers, and many other products. It is also the acid in lead-acid electric batteries. Chemical formula: H 2 SO 4 .


Etymology

Origin of sulfuric acid

First recorded in 1780–90

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:

Contributing to supply-side issues, China started restricting its exports of sulfuric acid in May, according to the Wall Street Journal.

From MarketWatch May 12, 2026

Sulfur, which is used to produce sulfuric acid, is a byproduct of the oil-refining process.

From MarketWatch May 12, 2026

Chile imports more sulfuric acid than any other country and uses it to leach copper from huge heaps of ore.

From The Wall Street Journal May 9, 2026

Chile, which is the world’s biggest copper producer and largest sulfuric acid importer, could also feel a hit as it gets about 37% of its sulfuric acid from China.

From Barron's Apr. 23, 2026

In the burning of coal and oil and gasoline, we are also putting sulfuric acid into the atmosphere.

From "Cosmos" by Carl Sagan

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