Dictionary.com
Thesaurus.com
Showing results for cyanide. Search instead for cyaniding.

cyanide

American  
[sahy-uh-nahyd, -nid] / ˈsaɪ əˌnaɪd, -nɪd /

noun

cyanides plural
  1. Chemistry. Also cyanid

    1. a salt of hydrocyanic acid, as potassium cyanide, KCN.

    2. a nitrile, as methyl cyanide, C 2 H 3 N.


verb (used with object)

cyanided, cyaniding
  1. to treat with a cyanide, as an ore in order to extract gold.

cyanide British  
/ ˈsaɪəˌnaɪd, ˈsaɪənɪd /

noun

  1. any salt of hydrocyanic acid. Cyanides contain the ion CN and are extremely poisonous

  2. another name (not in technical usage) for nitrile

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

cyanide Scientific  
/ sīə-nīd′ /
  1. 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.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of cyanide

1820–30; cyan- 3 + -ide ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"In 2006, nearly 2,000 residents suffered from vertigo, sight problems and nausea after it rained in Guney, with blood tests showing cyanide in their blood," he said.

From Barron's May 15, 2026

Not only does the extraction of metals like gold involve large amounts of water, but it also uses cyanide and releases other pollutants, posing major environmental and health risks.

From Barron's May 15, 2026

This toxic smoke can include carbon monoxide and hydrogen cyanide.

From BBC Mar. 16, 2026

Dangerous chemicals like mercury and sodium cyanide are used to separate the gold from the ore.

From BBC Feb. 17, 2026

“Most of it’s for research on cyanide leaching.”

From "The Glass Castle" by Jeannette Walls

Some carbon-containing compounds are not classified as organic, for example, carbonates and cyanides, and simple oxides, such as CO and CO2.

From Textbooks Feb. 14, 2019

Opponents have particularly expressed concerns over the 57,000 tonnes of explosives, 46,500 tonnes of cyanides and 142m litres of fuel WWF estimated the company will use over the mine’s 12-year lifespan.

From The Guardian Apr. 27, 2018

And after the war, he used his know-how to develop pesticides - including that notorious group of nitrogen-based toxins, the cyanides.

From BBC Jun. 6, 2014

The defendants, accused of dumping acids, cyanides and metals into the rivers, are Pennsylvania Industrial Chemical Corp. and three top steel companies: U.S.

From Time Magazine Archive

Huggins had found organic matter in the comets; in subsequent years cyanogen, CN, consisting of a carbon and a nitrogen atom, the molecular fragment that makes cyanides, was identified in the tails of comets.

From "Cosmos" by Carl Sagan

In some cases the crushed ore straight from the crushing mill is cyanided, in others it is simply the remains left over from the previous amalgamating process which is thus treated.

From Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science by Corbin, Thomas W.

Some 25,000 persons yearly visited the prefectural 12-chō experiment station, which within a year had distributed to farmers 7,600 cyanided fruit trees and 80 bushels of special seed rice.

From The Foundations of Japan Notes Made During Journeys Of 6,000 Miles In The Rural Districts As A Basis For A Sounder Knowledge Of The Japanese People by Scott, J.W. Robertson

There are other chemical methods besides the cyaniding, but it is the chief.

From Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science by Corbin, Thomas W.

The Phelps crowd began to set up a small crusher and cyaniding plant that had been trucked over the trails.

From Ruth Fielding In the Saddle College Girls in the Land of Gold by Emerson, Alice B.

The ore contains free gold, which is extracted by the simple process of stamping and amalgamation, and refractory values, extracted by the cyaniding process.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 10 "David, St" to "Demidov" by Various

With mercury, perhaps two or three more dollars' worth can be extracted, and another couple of dollars by cyaniding.

From The Boy With the U.S. Miners by Rolt-Wheeler, Francis

It can be extracted by the cyaniding process.

From Ruth Fielding In the Saddle College Girls in the Land of Gold by Emerson, Alice B.

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training