Longman Dictionary of Contemporary English homepage

HtwoO

noun
     
Related topics: Compounds
H₂O [uncountable]
HCC the chemical sign for water

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