sulfuric acid

noun

: a heavy corrosive oily dibasic strong acid H2SO4 that is colorless when pure and is a vigorous oxidizing and dehydrating agent
Is it sulfur or sulphur?: Usage Guide

The spelling sulfur predominates in U.S. technical usage, while both sulfur and sulphur are common in general usage. British usage tends to favor sulphur for all applications. The same pattern is seen in most of the words derived from sulfur.

Examples of sulfuric acid in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Traditional mining operations like lithium and copper consume huge amounts of water, both through mining and ore extraction, which involves leaching the bits of lithium with sulfuric acid. Debra Utacia Krol, The Arizona Republic, 8 Nov. 2024 Volcanic ash can bury crops, damage livestock health, contaminate soil, and poison water supplies, while SO2 mixes with water vapor to form sulfuric acid, contributing to acid rain, which damages vegetation, soils, and water bodies. Nina Turner, Newsweek, 29 Oct. 2024 On a more technical level, it's made from cellulose fibers that undergo treatment with sulfuric acid or zinc chloride, which partially dissolves the paper's surface to create a barrier that can resist moisture and high temperatures. Katie Rosenhouse, Southern Living, 9 Oct. 2024 Hal would sooner eat a bag of glass for his midafternoon snack and wash it down with a refreshing serving of sulfuric acid, but turning down Nicol the Folk Hero seems impossible at the moment. Sophie Brookover, Vulture, 31 Oct. 2024 See all Example Sentences for sulfuric acid 

Word History

First Known Use

1788, in the meaning defined above

Time Traveler
The first known use of sulfuric acid was in 1788

Dictionary Entries Near sulfuric acid

Cite this Entry

“Sulfuric acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sulfuric%20acid. Accessed 25 Dec. 2024.

Kids Definition

sulfuric acid

noun
: a heavy oily strong acid that is colorless when pure and eats away at many solid substances

Medical Definition

sulfuric acid

noun
: a heavy corrosive oily dibasic strong acid H2SO4 that is colorless when pure and is a vigorous oxidizing and dehydrating agent see oil of vitriol

More from Merriam-Webster on sulfuric acid

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