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guncotton

American  
[guhn-kot-n] / ˈgʌnˌkɒt n /

noun

  1. a highly explosive nitrocellulose, made by breaking down clean cotton in a mixture of one part nitric acid and three parts sulfuric acid: used in making smokeless powder.


guncotton British  
/ ˈɡʌnˌkɒtən /

noun

  1. cellulose nitrate containing a relatively large amount of nitrogen: used as an explosive

"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

Etymology

Origin of guncotton

First recorded in 1840–50; gun 1 + cotton

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:

They are now looking to expand their own production of guncotton, and assessing alternative natural precursors to make it.

From The Wall Street Journal Jul. 20, 2026

Nitrocellulose, also known as guncotton, is the indispensable chemical material in virtually all modern ammunition systems.

From The Wall Street Journal Jul. 20, 2026

One of the ships was a Belgian relief vessel; the other was the SS Mont-Blanc, a French munitions ship packed to the gills with explosives such as TNT, picric acid, benzol and guncotton.

From Los Angeles Times Jan. 17, 2025

Over the years, many people have contended that this second explosion was very likely caused by secret stores of volatile munitions — like aluminum powder or guncotton — that detonated within the ship’s holds.

From New York Times Mar. 5, 2015

On contact with the guncotton a jelly is formed which stiffens as the evaporation of the gelatinizing agent proceeds, and finally hardens when the evaporation is complete.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" by Various

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