poison gas

/'pɔizn'gæs/
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Thân thiện
Definition
  1. Noun:
    • A toxic gaseous substance: "Poison gas" refers specifically to a gas that is poisonous when inhaled or when it comes into contact with the skin or eyes. Its primary historical and practical association is with use as a chemical weapon in warfare.
Usage
  • The term "poison gas" is used as a non-count noun to refer to the substance in general (e.g., ) or as a count noun when referring to types or instances of it (e.g., ). It is most commonly discussed in historical, military, and disarmament contexts.
Examples
  • Noun:
    • The treaty banned the production and use of poison gas.
    • Soldiers were issued masks for protection against poison gas.
    • Mustard gas is a notorious type of poison gas used in World War I.
Advanced Usage
  • "deploy poison gas": to use or release poison gas in a military operation.
    • The regime was accused of deploying poison gas against civilian populations.
  • "victim of poison gas": a person harmed or killed by exposure to poison gas.
    • The hospital treated dozens of victims of poison gas.
Variants and Related Words
  • Chemical weapon (n): A broader term for munitions or devices that use toxic chemicals, including but not limited to poison gas, to cause death or harm.
    • The stockpile included both chemical weapons and conventional explosives.
  • Nerve agent (n): A specific, typically man-made, class of poison gas that disrupts the nervous system (e.g., sarin, VX).
    • The attack was carried out using a military-grade nerve agent.
  • Tear gas (n): A chemical compound that causes severe eye and respiratory pain, often used for riot control. It is a type of irritant gas but is often distinguished from lethal "poison gas."
    • Police dispersed the crowd with tear gas.
Synonyms
  • Toxic gas: A more general, clinical term for any gas that is poisonous.
  • Chemical agent: A formal term often used in military and political contexts.
Related Phrases
  • Poison gas attack (n phrase): A military strike or assault employing poison gas.
    • The international community condemned the poison gas attack.
  • Poison gas canister (n phrase): A container designed to hold and release poison gas.
    • Archaeologists unearthed old poison gas canisters from the battlefield.
Notes
  • The term "poison gas" carries strong connotations of inhumanity and is associated with the horrors of 20th-century warfare, particularly World War I. Its use is now prohibited under international law by treaties such as the Chemical Weapons Convention.
Noun
  1. a gas that is poisonous to breath or contact; used in chemical warfare