from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An aqueous solution of hydrogen cyanide. Also called prussic acid.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a solution of hydrogen cyanide, HCN, in water; a weak poisonous acid, used as a fumigant
from the GNU version of the Collaborative International Dictionary of English
- adj. a colorless, mobile, volatile liquid, HCN, having a characteristic peach-blossom odor. It is one of the most deadly poisons. It is made by the action of sulphuric acid on yellow prussiate of potassium (potassium ferrocyanide), and chemically resembles hydrochloric and hydrobromic acids. Called also prussic acid, hydrogen cyanide, etc.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a solution of hydrogen cyanide in water; weak solutions are used in fumigating and in the synthesis of organic compounds
Sorry, no etymologies found.
Oriental scholars and explorers were button-holed in clubs and strenuously pumped on the subject of abstruse native poisons; horrid experiments performed in German laboratories were communicated in unreadable documents; and the life of Sir James Lubbock, who had the misfortune to be a particular friend of Lord Peter’s, was made a burden to him with daily inquiries as to the post-mortem detection of such varying substances as chloroform, curare, hydrocyanic acid gas and diethylsulphonmethylethylmethane.