cy·​an·​o·​gen | \ sī-ˈa-nə-jən How to pronounce cyanogen (audio) \

Definition of cyanogen

1 : a monovalent group −CN present in cyanides
2 : a colorless flammable poisonous gas (CN)2

Examples of cyanogen in a Sentence

Recent Examples on the Web Separating light from 2I/Borisov into its component parts, his team found a signature of cyanogen, a molecule made of a carbon atom and a nitrogen atom bonded together. Sarah Kaplan, Anchorage Daily News, 28 Nov. 2019 The probe survived for about 72 minutes on the cold ground, spying rocks of water ice, measuring the atmospheric density and temperature, and detecting organic compounds such as ethane, cyanogen, benzene and large amounts of methane. Jay Bennett, Smithsonian, 6 May 2012 Hydrogen glows red, helium glows yellow, and cyanogen glows green. Avery Thompson, Popular Mechanics, 18 Dec. 2018 The comet currently passing by Earth, comet 46P/Wirtanen, has a substantial amount of cyanogen. Avery Thompson, Popular Mechanics, 18 Dec. 2018 His biggest coup was providing the Brits with the design of a chemical warfare dispersal device manufactured from parts that could be found in a tool shed and was capable of spreading deadly cyanogen chloride or other agents. NBC News, 17 June 2018 A study published in 2014 in Environmental Science & Technology, for example, found that when uric acid in human urine mixes with chlorine, a toxic compound called cyanogen chloride (CNCI) and trichloramine (NCl3) is formed, TIME reported. Melinda Carstensen, Fox News, 2 Mar. 2017 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cyanogen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of cyanogen

1816, in the meaning defined at sense 1

History and Etymology for cyanogen

French cyanogène, from cyan- + gène -gen

Learn More About cyanogen

Time Traveler for cyanogen

Time Traveler

The first known use of cyanogen was in 1816

See more words from the same year

Dictionary Entries Near cyanogen



cyanogen bromide

See More Nearby Entries 

Statistics for cyanogen

Cite this Entry

“Cyanogen.” Dictionary, Merriam-Webster, Accessed 21 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for cyanogen


cy·​ano·​gen | \ sī-ˈan-ə-jən How to pronounce cyanogen (audio) \

Medical Definition of cyanogen

1 : a monovalent group −CN present in cyanides
2 : a colorless flammable poisonous gas (CN)2

More from Merriam-Webster on cyanogen Encyclopedia article about cyanogen


Test Your Vocabulary

Name That Color

  • a light greenish blue color
  • Name that color:
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!