Coextensive

//ˌkoʊ.ɛkˈstɛn.sɪv// adj

Definitions

Adjective
  1. 1
    Having the same spatial limits or boundaries; sharing the same area. not-comparable

    "The city and county of San Francisco are coextensive."

  2. 2
    Occurring over the same period of time; contemporaneous. not-comparable

    "His life is almost co-extensive with one of the most disastrous periods in Roman history."

  3. 3
    Having the same extension—the object or set of objects to which a term refers. not-comparable

    "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)."

Adjective
  1. 1
    being of equal extent or scope or duration wordnet

Etymology

From co- + extensive.

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