油ゆ性せいマジック

noun

permanent marker

Oil-based marker that writes on many surfaces and is water-resistant. Often used for labeling or outdoor signs.

See also: 油性ペン · 油性マーカー

• 段だんボールに油ゆ性せいマジックで名な前まえを書かいた。

  I wrote my name on the cardboard box with a permanent marker.

• 油ゆ性せいマジックは水みずに濡ぬれても消きえにくい。

  Permanent markers don't easily come off even when wet.