externality

noun

ex·​ter·​nal·​i·​ty ˌek-ˌstər-ˈna-lə-tē How to pronounce externality (audio)
plural externalities
1
: the quality or state of being external or externalized
2
: something that is external
3
: a secondary or unintended consequence
pollution and other externalities of manufacturing

Examples of externality in a Sentence

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.
Modern economies blend capitalism with socialism to address challenges like inequality, market failures and negative externalities, like when a business harms the environment. H. Sami Karaca, The Conversation, 13 Jan. 2025 However, addressing negative externalities is not a one-size-fits-all solution. Martin Jarzebowski, Forbes, 9 Jan. 2025 Goods with large positive externalities are not well allocated in unregulated markets. Aine Seitz McCarthy, The Mercury News, 3 Jan. 2025 At the same time, competitive pressures are forcing the hand of virtually every CEO to deploy AI across their value chain, whatever the externalities involved. Alexander Puutio, Forbes, 22 Dec. 2024 See all Example Sentences for externality 

Word History

First Known Use

1673, in the meaning defined at sense 1

Time Traveler
The first known use of externality was in 1673

Dictionary Entries Near externality

Cite this Entry

“Externality.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/externality. Accessed 27 Jan. 2025.

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