noun bio·threat \¦bī-(ˌ)ō-¦thret\

Definition of biothreat



  1. :  a threat posed by a harmful biological agent In 2001, a $3 million contract … funded research to develop vaccines against biothreats by activating and targeting dendritic cells. — Robert Miller, Dallas Morning News, 28 Oct. 2007 Gingrich and Sanders conclude that biothreats are four times as dangerous as nuclear and chemical threats combined. — Norman G. Anderson, Seattle Post-Intelligencer, 27 Feb. 2005 Biothreat protection requires the mask to have an airtight seal around your nose and mouth, and, sometimes, your eyes. — Consumer Reports, February 2002

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Origin and Etymology of biothreat

2bi- + threat

First Known Use: 1984

Seen and Heard

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feeling or affected by lethargy

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