From Longman Dictionary of Contemporary Englishbiological weapons/warfare/attack etcbiological weapons/warfare/attack etcweapons, attacks etc that involve the use of living things, including bacteria, to harm other living things a ban on chemical and biological weapons → biological
Examples from the Corpus
biological weapons/warfare/attack etc• Schwarzkopf strongly defended his field commanders from allegations that they were careless about chemical and biological weapons.• He knew then that the mystery of Titron was only partly explained by the secret biological warfare establishment.• Regional conflicts - along with the proliferation of missiles and nuclear, chemical and biological weapons - present growing dangers.• We tend to focus on nuclear but chemical and biological weapons, while not as devastating, would be plenty bad. 