- to treat with a cyanide, as an ore in order to extract gold.
Origin of cyanide
Examples from the Web for cyanide
Two years later, at the age of 41, the war hero ended his own life with cyanide.Benedict Cumberbatch on 'The Imitation Game,' Homophobia, and How to Combat ISIS
September 8, 2014
One theory, for example, was that it was caused by a train wreck in 1970 that spilled a load of cyanide.Hysteria Strikes Mumbai School Kids
March 29, 2013
The apple was to disguise the bitter taste of the cyanide and thus ensure that the poison would do its work.Alan Turing’s Brother: He Should Be Alive Today
John Ferrier Turing
June 23, 2012
His body reacted and fought for a minute or so, then the cyanide took control.John Grisham's First Short Story: Part Two
October 26, 2009
Again the milling results were not good, and what it demanded was the cyanide process.The Plunderer
The most important are carbonate of soda, potash, and cyanide of potassium.Practical Mechanics for Boys
J. S. Zerbe
The solution is deficient in cyanide, and too large a current is being passed.On Laboratory Arts
I took my Mauser and also hid in the cuff of my coat my cyanide of potassium.
"Give that devil some cyanide of potassium," urged my companions.
- any salt of hydrocyanic acid. Cyanides contain the ion CN – and are extremely poisonous
- another name (not in technical usage) for nitrile
Word Origin and History for cyanide
a salt of hydrocyanic acid, 1826, coined from cyan-, comb. form for carbon and nitrogen compounds, from Greek kyanos "dark blue" (see cyan) + chemical ending -ide, on analogy of chloride. So called because it first had been obtained by heating the dye pigment powder known as Prussian blue (see Prussian).
- Any of various salts or esters of hydrogen cyanide containing a CN group, especially the extremely poisonous compounds potassium cyanide and sodium cyanide.
- Any of a large group of chemical compounds containing the radical CN, especially the very poisonous salts sodium cyanide and potassium cyanide. Cyanides are used to make plastics and to extract and treat metals.