portfire
/'pɒ:tfaiә/
📖 中文释义
- n. 点火装置
🧩 词形变化
复数 portfires
📘 English Definition（英文释义）
- n. A case of strong paper filled with a composition of
- niter, sulphur, and mealed powder, -- used principally to ignite the
- priming in proving guns, and as an incendiary material in shells.