smokeless-powder

smokeless powder

noun
any of various substitutes for ordinary gunpowder that give off little or no smoke, especially one composed wholly or mostly of guncotton.

Origin:
1885–90

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
smokeless powder
 
n
any one of a number of explosives that burn with relatively little smoke. They consist mainly of nitrocellulose and are used as propellants

Collins English Dictionary - Complete & Unabridged 10th Edition
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