prime meridian

IPA/pɹˈaɪm mɛɹˈɪdiən/
IPA/pɹˈaɪm mɛɹˈɪdiən/

prime meridian — noun

1. the imaginary line at 0° longitude that goes through Greenwich, England, and ser

1.名詞B2
釋義

the imaginary line at 0° longitude that goes through Greenwich, England, and serves as the zero line for measuring longitude around the earth

例句

At Greenwich, Sayaka stood with one foot on each side of the prime meridian.

stand on each side of the prime meridian

The atlas shows how countries lie east or west of the prime meridian.

east or west of the prime meridian

同義詞
  • Greenwich meridian

    the same line, with extra focus on its connection to Greenwich in England

  • zero meridian

    more technical wording that stresses its role as the starting point for longitude

  • reference meridian

    broader; can mean any meridian chosen for measurement, not only the earth's agreed zero line

文法句型

the prime meridian

cross the prime meridian

east/west of the prime meridian

用法筆記

Usually appears with 'the' because it names one agreed reference line. Common in geography, navigation, and time-zone explanations, especially with phrases such as 'cross the prime meridian' and 'east of the prime meridian'.

常見錯誤

❌The plane crossed a prime meridian near Greenwich.
✅The plane crossed the prime meridian near Greenwich.
💡this term usually names one specific zero-longitude line, so use 'the'.
❌Taipei is in the prime meridian.
✅Taipei is east of the prime meridian.
💡places are described by their position relative to the line.