sal prunella

"Sal prunella" is an old term referring to a refined form of potassium nitrate, once commonly used in medicine and pyrotechnics.

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Definition

(historical, technical)A refined form of potassium nitrate, typically melted and cast into shapes like balls or sticks.

(historical)A chemical compound historically used to treat sore throats and other ailments.

Terms that have similar or relatively close meanings to "sal prunella":