coextensive

See also: co-extensive

English

Alternative forms

Etymology

From co- +‎ extensive.

Pronunciation
  • (UK) IPA(key): /ˌkəʊɪkˈstɛnsɪv/
  • (US) IPA(key): /ˌkoʊɛkˈstɛnsɪv/

Adjective

coextensive (not comparable)

  1. Having the same spatial limits or boundaries; sharing the same area.
    The city and county of San Francisco are coextensive.
  2. Occurring over the same period of time; contemporaneous.
    • 1946, Bertrand Russell, History of Western Philosophy, I.30:
      His life is almost co-extensive with one of the most disastrous periods in Roman history.
  3. (logic) Having the same extension—the object or set of objects to which a term refers.
    • 1995, Jaegwon Kim, Ernest Sosa, A Companion to Metaphysics‎:
      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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