Longman Dictionary of Contemporary English homepage

RNA

noun
     
RNA [uncountable]
HBM an important chemical that exists in all living cells [↪ DNA]

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