Definition of biological warfare in English:

biological warfare

Syllabification: bi·o·log·i·cal war·fare

noun

The use of toxins of biological origin or microorganisms as weapons of war: opposed to chemical and biological warfare
More example sentences
  • This makes biological warfare weapons easier to create, because the genomes of many viruses that attack humans are already known.
  • Anthrax may not be a very useful weapon of biological warfare, but it provides a potent metaphor for the fears of Western society after 11 September.
  • Ricin has the potential to be used as an agent of biological warfare and as a weapon of mass destruction.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day vituperate
Pronunciation: vəˈt(y)o͞opəˌrāt
verb
blame or insult (someone) in strong language...