fireÂ·bomb (fÄ«râ²bÅmâ²) n. A bomb used to start a fire; an incendiary bomb. v. fireÂ·bombed, fireÂ·bombÂ·ing, fireÂ·bombs v.tr. To attack (a target) with a firebomb. v.intr. To launch an attack against a target, using a firebomb. fireâ²bombâ²er n. firebomb (ËfaÉªÉËbÉm) n (Firearms, Gunnery, Ordnance & Artillery) another name for incendiary 6. vb (tr) to attack with incendiary bombs. ËfireËbomber n. fireâ¢bomb (ËfaÉª É rËbÉm) n. 1. an explosive device with incendiary effects. v.t. 2.
Gum discoloration of this type is called an amalgam tattoo, which is caused when tiny pieces from a filling or cap wedge themselves into the gums. This issue often looks like a blue or black tattoo in the mouth, and it too is harmless. Smoking, certain medications such as minocycline, antimalarial agents, or tricyclic antidepressants, or metal-based crowns or fillings may also cause gum discoloration.
Ingesting silver compounds, such as in medicines, can sometimes irritate the stomach. Prolonged exposure to silver dust or to the silver compounds in medicines or supplements can also result in a permanent blue-gray staining of the eyes, nose, mouth, throat and skin. This blue-gray staining is known medically as argyria. The condition can make people look ill, as if they suffering from lack of oxygen.