Noun
a solution of hydrogen cyanide in water; weak solutions are used in fumigating and in the synthesis of organic compounds
Source: WordNetPoisoning by hydrogen cyanide gas within a gas chamber (as a salt of hydrocyanic acid is dropped into a strong acid, usually sulfuric acid) is one method of executing a condemned prisoner as the condemned prisoner eventually breathes the lethal fumes. Source: Internet
Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food (AFC) on hydrocyanic acid in flavourings and other food ingredients with flavouring properties. Source: Internet
Such syrup products do not contain significant levels of hydrocyanic acid, so are generally considered safe for human consumption. Source: Internet
Thought experiment Unlike the Schrödinger's cat thought experiment which used hydrocyanic acid and a radioactive decay trigger, this version involves a life-terminating device and a device that measures the spin value of protons. Source: Internet