Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Having a boundary in common; contiguous: The northern border of the United States is conterminous with the southern border of Canada.
  • adj. Contained in the same boundaries; coextensive: the conterminous 48 states.
  • adj. Having the same scope, range of meaning, or extent in time.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Meeting end-to-end or at the ends.
  • adj. Adjoining; sharing a boundary.
  • adj. Having the same scope, range of meaning, or extent in time.
  • adj. Said of linked or related property leases that expire together.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Having the same bounds, or limits; bordering upon; contiguous.

from The Century Dictionary and Cyclopedia

  • Having the same limit; bordering; touching at the boundary; contiguous.
  • . Having the same borders or limits, and hence of the same extent or size; of equal extension.
  • . In zoöl., having the same limitation or definition: said of classificatory groups.
  • Also coterminous.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having a common boundary or edge; abutting; touching
  • adj. being of equal extent or scope or duration
  • adj. connecting without a break; within a common boundary

Etymologies

From Latin conterminus : com-, com- + terminus, boundary.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin conterminus, from con- ("with") + terminus ("border, end") (Wiktionary)

Examples

  • Paper Title: Implications of recent sea level rise science for low-elevation areas in coastal cities of the conterminous U.S..

    David Kroodsma: Weekly Climate Science Roundup

  • Recent photographic documentation of poor siting conditions at stations in the U.S. Historical Climatology Network USHCN has led to questions regarding the reliability of surface temperature trends over the conterminous U.S.

    Archive 2010-01-01

  • A carbon budget for forests of the conterminous United States.

    Climate change and fire in the Arctic

  • The first compilation of ecoregions in the conterminous United States by the U.S. Environmental Protection Agency (U.S. EPA) was performed at a relatively cursory scale (1: 3,168,000), and was published at a smaller scale (1: 7,500,000) (Omernik, 1987).

    Ecoregions of New Jersey (EPA)

  • At level III, the continental United States contains 104 ecoregions, whereas the conterminous United States has 84.

    Ecoregions of New Jersey (EPA)

  • At level III, the continental United States contains 104 ecoregions and the conterminous United States has 84 ecoregions (United States Environmental Protection Agency [USEPA], 2003).

    Ecoregions of Oregon (EPA)

  • At level III, the continental United States contains 104 ecoregions and the conterminous United States has 84 ecoregions (United States Environmental Protection Agency [USEPA] 2002).

    Ecoregions of North Carolina and South Carolina (EPA)

  • At level III, the continental United States contains 104 ecoregions and the conterminous United States has 84 ecoregions (United States Environmental Protection Agency [USEPA] 2000).

    Ecoregions of Utah (EPA)

  • Keys, 2001, Developing a spatial framework of common ecological regions for the conterminous United States, Environmental Management, v. 28, no. 3, p. 293-346.

    Ecoregions of the Mississippi Alluvial Plain (EPA)

  • In the first half of the 20th century, we came very close to scrubbing wolves off the face of the conterminous United States.

    Todd Palmer and Rob Pringle: Why We Need Wolves In Our Parks

Comments

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  • "In zoöl., having the same limitation or definition: said of classificatory groups. Thus, a genus which is the only one of a family is conterminous with it; the modern group Ichthyopsida is conterminous with the two classes Pisces and Amphibia. Also conterminate." --Cent. Dict.

    June 6, 2012