noun
flammable liquid; inflammable liquid
Technical term used in safety regulations, chemistry, and industrial contexts. Refers to liquids that can easily catch fire.
この倉庫には引火性液体が保管されています。
Flammable liquids are stored in this warehouse.
引火性液体の取り扱いには十分注意してください。
Please handle flammable liquids with great care.
可燃性液体 (combustible liquid) is a broader term for liquids that can burn, while 引火性液体 specifically emphasizes ease of ignition at relatively low temperatures.
Compound of 引火 (ignition) + 性 (property) + 液体 (liquid). A straightforward technical term formed from Sino-Japanese elements.