Saltpeter

Definition

A colorless, odorless crystalline compound (potassium nitrate) used as an oxidizing agent in gunpowder, explosives, fertilizers, and historically in food preservation. It is a key ingredient in black powder and early fireworks.

Example Usage

The gunpowder was manufactured by carefully mixing charcoal, sulfur, and saltpeter in precise proportions.

Origin

From Medieval Latin 'sal petrae,' meaning 'stone salt' or 'salt from rocks,' referring to its occurrence as a mineral deposit.

Fun Fact

Saltpeter was historically harvested from cave deposits and animal waste (particularly in stables and cellars), and wars were sometimes fought for control of saltpeter supplies.

Source: Definition backfill (hailey)

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