noun HSK 5
hǎi
sea area · maritime zone · waters

Meaning

海域 refers to a defined area or region of the sea or ocean. It is commonly used in formal, geographical, and legal contexts to describe territorial waters, fishing zones, or any demarcated maritime region.

Usage

This is a relatively formal term used in news reports, geography, military contexts, and legal discussions about maritime boundaries. In everyday conversation, people more often say 海 (sea) or 水域 (waters) unless specifically discussing defined maritime zones or territorial issues.

Examples

  1. 01
    这片海域是重要的渔业资源区。
    Zhè piàn hǎi shì zhòng yào de yuán .
    This sea area is an important fishery resource zone.
  2. 02
    台风将影响东部沿海海域
    Tái fēng jiāng yǐng xiǎng dōng yán hǎi hǎi .
    The typhoon will affect the eastern coastal waters.

Characters

Measure words

  • piàn一片海域
  • chù几处海域

Common collocations

  • 南海海域
    Nán Hǎi hǎi
    South China Sea area
  • 周边海域
    zhōu biān hǎi
    surrounding waters
  • 禁止进入海域
    jìn zhǐ jìn hǎi
    restricted waters
  • 专属经济海域
    zhuān shǔ jīng hǎi
    exclusive economic zone

Antonyms

Origin

The compound combines 海 (sea) with 域 (domain/region), creating a straightforward term meaning 'sea region' that emerged in modern Chinese for administrative and geographical purposes.

Related