Word.ws English Dictionary

externalities

externalities is the plural of externality.

Meaning of externality

Noun

externality (countable and uncountable, plural externalities)

  1. (uncountable) The state of being external or externalized.
    • But according to the theory of the externality of relations, terms acquire from their new relations an added character, which does not either condition, or necessarily alter, the character which they already possess.1916, Ralph Barton Perry, Present philosophical tendencies, page 319
  2. (countable) A thing that is external relative to something else.
  3. (countable) An impact, positive or negative, on any party not involved in a given economic transaction or act.
    • Waste is a negative externality arising from consumption.

Phrases with externalities

Questions about externalities

What is externalities the plural of?
Externalities is the plural of externality.

Words near externalities in the dictionary

  1. externalisms
  2. externalist
  3. externalistic
  4. externalistically
  5. externalists
  6. externalities
  7. externality
  8. externalizable
  9. externalization
  10. externalizations
  11. externalize

Source and license

Adapted from Wiktionary: externalities (page history and authors); externality (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “externalities.” Word.ws, https://word.ws/externalities. Based on Wiktionary, CC BY-SA 4.0.