Longman Dictionary of Contemporary English homepage

poison gas

 noun
     
Related topics: Weapons
poison gas [uncountable]
PMW gas that causes death or serious injury, used especially against an enemy in a war:
There are reports that poison gas is being used against the rebels.
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary

Browse the dictionary