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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.

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

The Florence H. sank in 1918 with a cargo of 5,000 tons of guncotton and steel, remained till last week a menace to French coastal navigation.

From Time Magazine Archive

This was described as a three-inch cardboard or celluloid card with a cut-out centre, into which was pasted a flat core of guncotton and phosphorus.

From Time Magazine Archive

A charge of 412 ℔ of guncotton, calculated as being equivalent to the above charge of powder and placed under the same conditions, made a crater of 14 ft. radius.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 6 "Foraminifera" to "Fox, Edward" by Various