biological weapon

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any weapon usable in biological warfare
- they feared use of the smallpox virus as a bioweapon
• Syn:
bioweapon, bioarm
• Hypernyms:
weapon of mass destruction, WMD, W.M.D.
• Hyponyms:
Bacillus anthracis, anthrax bacillus, clostridium perfringens, aflatoxin, botulin,
botulinus toxin, botulismotoxin, staphylococcal enterotoxin B, SEB