Examples from the Web for hydrocyanic
The bluish pellets of diatomite soaked in hydrocyanic acid were poured through chutes.
Hydrocyanic acid gas has been used successfully against household insects and will probably be used more and more in the future.Handbook of Medical Entomology|William Albert Riley
Hydrocyanic acid and Creosote,—general sedatives,—act locally as anodynes to the nerves of the stomach.The Action of Medicines in the System|Frederick William Headland
The dose is 1⁄12 to 1⁄4 gr., in solution; in the usual cases in which the administration of hydrocyanic acid is indicated.Cooley's Practical Receipts, Volume II|Arnold Cooley
It fills the indications of hydrocyanic acid, ingluvin, ipecac or any other anti-emetic.
There is some reason to think that the frosted second growth is particularly rich in hydrocyanic acid.Special Report on Diseases of Cattle|U.S. Department of Agriculture