coextensive

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coextensive

/ˌkəʊ.ɪkˈstɛn.sɪv/ UK
/ˌkoʊ.ɛkˈstɛn.sɪv/ US

adjective co-extensive

not comparable Having the same spatial limits or boundaries; sharing the same area. The city and county of San Francisco are coextensive.
Similar: coterminous
not comparable Occurring over the same period of time; contemporaneous. His life is almost co-extensive with one of the most disastrous periods in Roman history.
not comparable Having the same extension—the object or set of objects to which a term refers. Coextensive expressions with different intensions cannot in general be substituted for one another within an expression e while preserving the extension of e (assuming that the extension of a declarative sentence is its truth value).

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MLA

"coextensive." Wiktionary, via Micwyn, micwyn.com/word/coextensive. Accessed 6 Nov. 2026.

APA

coextensive. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/coextensive

Chicago

"coextensive." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/coextensive.

BibTeX

@misc{coextensive_2026,
  title = {coextensive},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/coextensive},
  urldate = {2026-11-06}
}