デマケーション

noun

demarcation

A loanword used in contexts such as boundary setting, distinguishing areas, or defining limits, similar to English 'demarcation'.

• 両りょう国こくの間あいだに明めい確かくなデマケーションラインを引ひく必ひつ要ようがある。

  It is necessary to draw a clear demarcation line between the two countries.