Fuse, n. [For fusee, fusil. See 2d Fusil.] (Gunnery, Mining, etc.) 1. A tube or casing filled with combustible matter, by means of which a charge of powder is ignited, as in blasting; -- called also fuzee. See Fuze.
Fuse hole, the hole in a shell prepared for the reception of the fuse.
(Mil.) a mechanism in a bomb, torpedo, rocket, or artillery shell, usually having an easily detonated explosive charge and activated by the shock of impact, which detonates the main explosive charge. Some fuses may have timing mechanisms, delaying the explosion for a short time, or up to several days after impact. Fuses activated by other mechanisms more sophisticated than impact, such as proximity or heat, are used in modern weapons such as antiaircraft or antimissile missiles.
Fuze}, n. (Elec.) A wire, bar, or strip of fusible metal inserted for safety in an electric circuit. When the current increases beyond a certain safe strength, the metal melts, interrupting the circuit and thereby preventing possibility of damage. It serves the same function as a circuit breaker.
[Webster 1913 Suppl. +PJC]
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Wed 16th October 2019