オレンジ

In a sentence

• 私は朝食にオレンジを食べます。

  I eat an orange for breakfast.

  Here, 'オレンジ' is used as a noun referring to the fruit orange.

• このシャツはオレンジ色です。

  This shirt is orange-colored.

  In this sentence, 'オレンジ' functions as an adjective describing color, specifically orange.

• カクテルの中にオレンジジュースが入っています。

  The cocktail contains orange juice.

  Here, 'オレンジジュース' uses 'オレンジ' as a descriptive term for the type of juice, signifying its fruit origin.