Definition of prussic acid in English:

prussic acid

Syllabification: prus·sic ac·id
Pronunciation: /ˌprəsik ˈasid


Old-fashioned term for hydrocyanic acid.
More example sentences
  • Similarly, the contents of alkaloids, tannins, oxalates, glucosides, dicumarins, prussic acid, nitrates or other substances in several weeds used as fodder and grasslands has also increased.
  • When this compound is dissolved in water, an acidic solution of hydrogen cyanide, also known as prussic acid, is produced.
  • Selection of plants for cultivation would have been directed at reducing a serious disadvantage of the plant; that it contains two substances, a glucoside and an enzyme, which react together to produce poisonous prussic acid.


late 18th century: prussic from French prussique 'relating to Prussian blue'.



Pronunciation: /ˈprəsēˌāt/
More example sentences
  • In 1802 he discovered that adding prussiate of mercury [Hg 2] to the waste solvent gave a precipitate that, on heating, yielded a metal quite different from platinum.
  • The present invention relates to the use of certain prussiates (which are known) for plant nutrition and for the prevention and cure of certain deficiency diseases in plants.

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Word of the day noisome
Pronunciation: ˈnoisəm
having an extremely offensive smell