Dictionary.com
Thesaurus.com

chemical warfare

American  
[kem-i-kuhl wawr-fair] / ˈkɛm ɪ kəl ˈwɔrˌfɛər /

noun

  1. warfare with poisonous, asphyxiating, or corrosive gases, oil flames, etc. CW


chemical warfare British  

noun

  1. warfare in which chemicals other than explosives are used as weapons, esp warfare using asphyxiating or nerve gases, poisons, defoliants, etc

"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

chemical warfare Cultural  
  1. The use of chemical agents as a weapon of war or terror. From the mustard gas used in World War I to the highly lethal neurotoxin Sarin that is potentially available for use today, chemicals are considered a weapon of mass destruction, and their use is condemned by most civilized nations.


Etymology

Origin of chemical warfare

First recorded in 1915–20

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.

And the federal Administration for Strategic Preparedness and Response keeps a national stockpile of supplies necessary for public health emergencies, including vaccines, medical supplies and antidotes needed in case of a chemical warfare attack.

From Salon • Mar. 6, 2024

The Halas group has been developing aluminum nanoparticles for plasmonic photocatalysis reactions such as decomposition of dangerous chemical warfare agents and efficient production of commodity chemicals.

From Science Daily • Mar. 5, 2024

Switzerland, however, will be able to export special equipment to protect against nuclear, biological and chemical warfare, following a request for help from the Organization for the Prohibition of Chemical Weapons.

From Reuters • Apr. 27, 2022

“It goes back to the very origin of chemical warfare and its consequences.”

From New York Times • Jan. 21, 2021

Today we often think of biological and chemical warfare as modern inventions.

From "An Indigenous People’s History of the United States" by Roxanne Dunbar-Ortiz