引いん火か性せい

noun

inflammability; flammability

Technical term used in safety contexts, often on labels or in regulations. Refers to the property of being easily ignited.

• この製せい品ひんは引いん火か性せいが高たかいので、火か気き厳げん禁きんです。

  This product is highly flammable, so keep it away from open flames.