biological weapon

noun
|Updated on: 17 Jul 2018

Definition 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

Recent Examples of biological weapon from the Web

These 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.

First Known Use of biological weapon

1918

in the meaning defined above

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BIOLOGICAL WEAPON Defined for English Language Learners

biological weapon

Definition of biological weapon for English Language Learners

  • : a harmful living thing (such as a germ that causes disease) used as a weapon in a war


Medical Dictionary

biological weapon

noun biological weap·on \ -ˈwep-ən \

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

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