Longman Dictionary of Contemporary English homepage

vapour

 noun
     
Related topics: Physics
va‧pour British English ; vapor American English
[uncountable and countable]HP a mass of very small drops of a liquid which float in the air, for example because the liquid has been heated:
water vapour
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