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public health

noun

: the art and science dealing with the protection and improvement of community health by organized community effort and including preventive medicine and sanitary and social science

Examples of public health in a Sentence

a disease that poses a serious threat to public health She got her degree in public health. Public health officials warned of an influenza outbreak.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Despite decades of public health messaging, hand hygiene remains another chronic weak point. Karina Nicholas, Boston Herald, 28 Nov. 2025 No-Burn Days are needed to protect public health when fine particle pollution levels are expected to be high anywhere in the South Coast Air Basin. Ca Weather Bot, Sacbee.com, 28 Nov. 2025 These numbers highlight the urgent need for sustained government action to address both environmental and public health challenges. Amir Daftari, MSNBC Newsweek, 28 Nov. 2025 No-Burn Days are needed to protect public health when fine particle pollution levels are expected to be high anywhere in the South Coast Air Basin. Southern California Weather Report, Oc Register, 27 Nov. 2025 See All Example Sentences for public health

Word History

First Known Use

1617, in the meaning defined above

Time Traveler
The first known use of public health was in 1617

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Cite this Entry

“Public health.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/public%20health. Accessed 3 Dec. 2025.

Medical Definition

public health

noun
pub·​lic health ˌpəb-lik- How to pronounce public health (audio)
: the art and science dealing with the protection and improvement of community health by organized community effort and including preventive medicine and sanitary and social science

More from Merriam-Webster on public health

Last Updated: - Updated example sentences
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