不ふ乾かん性せい油ゆ

noun

non-drying oil

Technical term used in chemistry and industry for oils that do not form a solid film upon exposure to air.

• オリーブ油ゆは不ふ乾かん性せい油ゆに分ぶん類るいされる。

  Olive oil is classified as a non-drying oil.