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Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. n. Any of various salts or esters of hydrogen cyanide containing a CN group, especially the extremely poisonous compounds potassium cyanide and sodium cyanide.
  2. v. To treat (a metal surface) with cyanide to produce a hard surface.
  3. v. To treat (an ore) with cyanide to extract gold or silver.

Century Dictionary and Cyclopedia

  1. n. In chem., a combination of cyanogen with an element or a compound radicle capable of acting as an element. Potassium cyanide is the most important. It is a crystalline solid, permanent in dry air, but decomposed in moist air, giving off an odor of prussic or hydrocyanic acid. It has a bitter taste, and is extremely poisonous. It is extensively used in photography, electro-metallurgy, and as a laboratory reagent.
  2. To treat an ore with a weak solution of an alkaline cyanide, as in the cyanide process for the extraction of gold. See cyanide process.

Wiktionary

  1. n. chemistry (countable) Any compound containing the -C≡N radical or the C≡N-1 anion.
  2. n. uncountable potassium cyanide - a water soluble poison
  3. n. uncountable hydrogen cyanide, or cyanide gas - a poisonous gas

GNU Webster's 1913

  1. n. (Chem.) A compound formed by the union of cyanogen with an element or radical.

WordNet 3.0

  1. n. any of a class of organic compounds containing the cyano radical -CN
  2. n. an extremely poisonous salt of hydrocyanic acid

Etymologies

  1. cyano- + -ide (Wiktionary)

Examples

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  • PossibleUnderscore Cyanide has a very similar molecular structure to oxygen. Therefore, when inhaled, it latches onto oxygen molecules and this prevents the cells of the body from using it. Aug 18, 2009

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‘cyanide’ has been looked up 2101 times, loved by 2 people, added to 16 lists, commented on 1 time, and has a Scrabble score of 13.