different between coextensive vs coterminous

English

Alternative forms

• co-extensive

Etymology

From co- +? extensive.

Pronunciation

• (UK) IPA^(key): /?k???k?st?ns?v/
• (US) IPA^(key): /?ko??k?st?ns?v/

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.

Related terms

• coterminous
• extensive

English

Alternative forms

• conterminous

Etymology

Latin conterminus, from con- (“with”) + terminus (“border, end”).

Pronunciation

• (UK) IPA^(key): /k?n?t??.m?.n?s/, /k?n?t??.m?.n?s/
• (US) IPA^(key): /k?n?t?.m?.n?s/

Adjective

coterminous (not comparable)

1. Meeting end to end or at the ends.
2. (geography) Having matching boundaries; or, adjoining and sharing a boundary.

   New York's borough of Brooklyn and Kings County are conterminous.

   To get a building warrant he had to show the plans to "conterminous proprietors", neighbours with whom his property shared a boundary.

3. Having the same scope, range of meaning, or extent in time.
4. (law) Said of linked or related property leases that expire together.

Translations

See also

• coextensive
• contiguous