biological weapon
nounDefinition of biological weapon
: a harmful biological agent (such as a pathogenic microorganism or a neurotoxin) used as a weapon to cause death or disease usually on a large scale
Examples of biological weapon in a Sentence
Recent Examples on the Web
Inside, the tunnels reportedly contain not only pathways, but also artillery and nuclear, chemical, and biological weapons. — Courtney Linder, Popular Mechanics, "A Cave Is No Place for Humans, So DARPA Is Sending In the Robots," 23 Aug. 2019 Chemical and biological weapons could also wreak havoc without splitting atoms. — The Economist, "Should America rule out first use of nuclear weapons?," 15 Aug. 2019 The sanctions do include a presumption of denial for export licenses for items that could be used in the production of chemical and biological weapons. — Washington Post, "US exempts aviation, space exports from new Russia sanctions," 4 Aug. 2019 The House ordered the Pentagon to investigate whether ticks were once used as biological weapons. — Dylan Bouscher, The Mercury News, "Political Cartoons: World news weekly roundup," 19 July 2019 And, as one congressman believes, these ticks came from secret Pentagon experiments to turn ticks into biological weapons. — al.com, "Secret government tick experiment created Lyme disease, congressman claims," 18 July 2019 Several factors made the ban on biological weapons largely successful. — Kelsey Piper, Vox, "Death by algorithm: the age of killer robots is closer than you think," 21 June 2019 The United States wants North Korea to surrender all of its nuclear, chemical, and biological weapons, as well as its ballistic missiles, and end all research-and-development programs. — Robin Wright, The New Yorker, "Trump’s Curious Rendezvous with Kim Jong Un at the D.M.Z.," 30 June 2019 As with computer viruses or biological weapons, the threat from deepfakes is now a permanent feature on the landscape. — James Vincent, The Verge, "Deepfake detection algorithms will never be enough," 27 June 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biological weapon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for biological weapon
biological weapon
nounEnglish Language Learners Definition of biological weapon
: a harmful living thing (such as a germ that causes disease) used as a weapon in a war
See the full definition for biological weapon in the English Language Learners Dictionary
biological weapon
noun
biological weap·on
| \ -ˈwep-ən
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Medical Definition of biological weapon
: a harmful biological agent (as a pathogenic microorganism or a neurotoxin) used as a weapon to cause death or disease usually on a large scale