bio·​se·​cu·​ri·​ty | \ ˌbī-(ˌ)ō-si-ˈkyu̇r-ə-tē How to pronounce biosecurity (audio) \

Definition of biosecurity

: security from exposure to harmful biological agents also : measures taken to ensure this security

Examples of biosecurity in a Sentence

Recent Examples on the Web Following the 2001 terrorist attacks, China expressed concern that bioterrorism could be an increasing threat and biosecurity became a chief priority for the nation. Caitlin Mcfall, Fox News, 27 May 2022 In general, good biosecurity dictates that bird feeders should not be near poultry. Leada Gore |, al, 2 May 2022 Farmers have increased biosecurity measures in response, Chakeres said, to ward off potential exposure. Victoria Moorwood, The Enquirer, 13 Apr. 2022 Additional details regarding biosecurity for backyard flocks can be found on their website. Serena Coady, SELF, 19 Apr. 2022 State officials are urging those keeping birds in Utah County — whether large commercial poultry operations or backyard flocks — to visit the USDA’s website to review poultry biosecurity guidelines, to ensure their birds remain healthy. Stefene Russell, The Salt Lake Tribune, 18 Apr. 2022 The agency recommends that anyone involved in poultry production — small backyard flocks to commercial operations — review biosecurity guidelines to protect the health of their birds. Sarah Bowman, The Indianapolis Star, 13 Apr. 2022 For anyone who has a flock of outdoor birds, the DNR and the Department of Agriculture, Trade and Consumer Protection recommend practicing enhanced biosecurity and moving flocks indoors in order to avoid contact with wild birds and their droppings. Laura Schulte, Milwaukee Journal Sentinel, 1 Apr. 2022 Saskia Popescu, a biosecurity professor at George Mason University, compared Jha’s appointment to that of Rochelle Walensky, the director of the Centers for Disease Control and Prevention. Damian Garde, STAT, 20 Mar. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biosecurity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of biosecurity

1973, in the meaning defined above

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The first known use of biosecurity was in 1973

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Last Updated

10 Jun 2022

Cite this Entry

“Biosecurity.” Dictionary, Merriam-Webster, Accessed 24 Jun. 2022.

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More Definitions for biosecurity


bio·​se·​cu·​ri·​ty | \ ˌbī-ō-si-ˈkyu̇r-ə-tē How to pronounce biosecurity (audio) \

Medical Definition of biosecurity

: security from exposure to harmful biological agents (such as pathogenic microorganisms) You would expect the organisation responsible for ensuring biosecurity in labs working with dangerous animal pathogens like foot and mouth disease to know about any accidents that have occurred in those labs.— Linda Geddes, New Scientist also : measures taken to ensure this security In areas where poultry farms are on adjoining or nearby properties or in areas tied together by common waterways, roads, or flyways, the risk of disease spread from one farm to another is greatly increased no matter what type of biosecurity is practiced by individual farms. — Carol J. Cardona, in Avian Influenza


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