Longman Dictionary of Contemporary English homepage

infection

noun
     
in‧fec‧tion W3
1 [countable]MIMH a disease that affects a particular part of your body and is caused by bacteria or a virus:
an ear infection
mild/slight/severe infection
a slight infection in the bladder
2MI [uncountable] when someone is infected by a disease:
Always sterilize the needle to prevent infection.

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