(definition) by Webster 1913 Wed Dec 22 1999 at 2:20:03

Prus"sic (?), a. [Cf. F. prussique.] Old Chem.

designating the acid now called hydrocyanic acid, but formerly called prussic acid, because Prussian blue is derived from it or its compounds. See Hydrocyanic.

 

© Webster 1913.

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