coextensive Meaning, Definition & Usage

  1. adjective satellite being of equal extent or scope or duration
    conterminous; coterminous.

WordNet

Co`ex*ten"sive adjective
Definitions
  1. Equally extensive; having extent; as, consciousness and knowledge are coextensive. Sir W. Hamilton. - - Co`ex*ten"sive*ly, adv. -- Co`ex*ten"sive*ness, n.

Webster 1913