Longman Dictionary of Contemporary English homepage

greenhouse gas

noun
     
Related topics: Environment and waste
greenhouse gas [countable]
SGE a gas, especially carbon dioxide or methane, that is thought to trap heat above the Earth and cause the greenhouse effect

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