Longman Dictionary of Contemporary English homepage

bioweapon

 noun
     
bi‧o‧weap‧on [countable]
bacteria or viruses (=very small living things, that cause illness or disease) used as a weapon to kill a lot of people [= biological weapon]:
He warned that influenza could be used as a bioweapon.
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