smokeless powder ( synonym found)
Definition of smokeless powder:

°An explosive, similar to gunpowder, consisting of nitrocellulose mixed with nitroglycerine or nitroguanidine; it burns with very little smoke.
Definition of smokeless powder:

°An explosive, similar to gunpowder, consisting of nitrocellulose mixed with nitroglycerine or nitroguanidine; it burns with very little smoke.
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