English Dictionary

coextensive

IPA（発音記号）

/ˌkəʊ.ɪkˈstɛn.sɪv/

形容詞

比較不可

Having the same spatial limits or boundaries; sharing the same area. / Occurring over the same period of time; contemporaneous.

日本語の意味

空間的な境界や範囲が一致している（同じエリアを共有している） / 同一の期間に発生している（同時に起こる）

The conservation area is coextensive with the national park, covering precisely the same territory.

その保護区域は国立公園と境界が一致しており、正確に同じ領域をカバーしています。

意味（1）

Having the same spatial limits or boundaries; sharing the same area.

The city and county of San Francisco are coextensive.

意味（2）

Occurring over the same period of time; contemporaneous.

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

意味（3）

(logic) 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).