blasting powder

blasting powder
a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
[1865-70]

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Universalium. 2010.

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  • blasting powder — noun : black powder usually containing sodium nitrate manufactured in grains or pellets and used especially for blasting soft materials (as in coal mines) called also black blasting powder * * * a form of gunpowder made with sodium nitrate… …   Useful english dictionary

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  • powder keg — noun Date: 1855 1. a small usually metal cask for holding gunpowder or blasting powder 2. something liable to explode …   New Collegiate Dictionary

  • powder keg — 1. a small, metal, barrellike container for gunpowder or blasting powder. 2. a potentially dangerous situation, esp. one involving violent repercussions. [1850 55] * * * …   Universalium

  • powder keg — pow′der keg n. 1) a small, metal, barrellike container for gunpowder or blasting powder 2) a potentially dangerous situation …   From formal English to slang

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