fire grenade

fire grenade (plural fire grenades)

1. (obsolete, 19th century, firefighting) A glass bulb filled with caustic and often carcinogenic liquid chemicals that, when thrown and broken in a fire, smother the fire by removing oxygen.
2. A thermite grenade.
3. A white phosphorus grenade.
4. A firebomb grenade.

(firefighting):

• fire extinguisher
• fire blanket
• fire engine
• fire hose
• fire bucket
• chemical engine

(fire-causing grenade):

• napalm
• Greek fire
• Molotov cocktail