conterminous

conterminous — adjective

  • conterminouspositive
  • more conterminouscomparative
  • most conterminoussuperlative

1. describes two areas of land, such as countries or regions, that touch each other

1.形容詞C1
釋義

describes two areas of land, such as countries or regions, that touch each other along a shared border without any gap between them.

例句

Canada and the United States are conterminous along a vast stretch of the 49th parallel.

conterminous + along [geographic line]

Bao's farm is conterminous with the national forest, so deer often wander onto his land.

conterminous with [place]

同義詞
  • adjacent

    more common in everyday use; does not always imply physical touching

  • abutting

    more technical; used especially in property law and surveying

反義詞

文法句型

conterminous + with + [noun phrase]

用法筆記

Frequently paired with the preposition 'with' to name the adjacent region. This sense is most common in geographical or legal descriptions of land boundaries.

常見錯誤

The two houses are conterminous by each other.
The two houses are conterminous with each other.
💡'conterminous' pairs with 'with', not 'by' or 'to'.
Canada is conterminous.
Canada and the United States are conterminous.
💡'conterminous' describes a relationship between two or more things; it is rarely used of a single entity.

2. having the same extent, range, or duration as something else; covering exactly t

2.形容詞C1
釋義

having the same extent, range, or duration as something else; covering exactly the same period, set of topics, or area of influence.

例句

Romi's term as committee chair was conterminous with a period of major policy changes.

conterminous with [event period]

The court's authority is conterminous with the state's borders and does not extend beyond them.

conterminous with [boundary of authority]

同義詞
  • coterminous

    the same word with a different spelling; more common in modern usage

  • coextensive

    a more direct synonym; also formal but slightly more frequent

反義詞

文法句型

conterminous + with + [noun phrase]

用法筆記

This sense overlaps with 'coterminous' (the more common spelling variant). Distinguish from sense 1: sense 1 describes physical borders; sense 2 describes abstract reach, time span, or scope.

常見錯誤

The two events were conterminous for happening at the same time.
The two events were conterminous, covering the same three-day period.
💡'conterminous' means equal in extent or duration, not merely simultaneous.

3. describes a set of smaller areas that are all enclosed together inside one large

3.形容詞C1
釋義

describes a set of smaller areas that are all enclosed together inside one larger boundary, forming a continuous whole without gaps or separate pieces.

例句

The forty-eight conterminous states of the United States form a single connected landmass.

common phrase: conterminous states (a contiguous whole)

All three wildlife refuges are conterminous within the larger national park boundary.

conterminous within [larger area]

同義詞
  • contiguous

    much more common in everyday and geographical use; 'contiguous United States' is the normal phrase

  • continuous

    broader meaning; does not specifically imply a shared outer boundary

反義詞

文法句型

conterminous + [plural noun]

conterminous + within + [noun phrase]

用法筆記

Distinguish from sense 1: sense 1 focuses on the shared border between two items; sense 3 describes multiple items collectively forming an unbroken whole within a single outer boundary. The phrase 'conterminous states' (especially referring to the 48 contiguous US states) is the most common use of this sense.

常見錯誤

Hawaii is one of the conterminous states.
Hawaii is not one of the conterminous states, because it is separated by ocean.
💡'conterminous states' refers to the 48 states that share land borders within the continental US; Alaska and Hawaii are excluded.