[ 'prʌsɪk ]
■ noun old-fashioned term for hydrocyanic acid .
Derivatives
prussiate noun
Origin
C18: prussic from Fr. prussique 'relating to Prussian blue'.
PRUSSIC ACID
Meaning of PRUSSIC ACID in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004