hydrostatic fuse

hydrostatic fuse

[‚hī·drə′stad·ik ′fyüz]
(ordnance)
A fuse used with a depth bomb to cause an underwater explosion at a predetermined depth; initiation is caused by the pressure of the water as the depth bomb sinks.
References in periodicals archive ?
Using a hydrostatic fuse, an accurate drop could bypass the dam's defences and enable the bomb to explode against the dam.
He believed that the bouncing bomb would clear protective torpedo nets near the German dams, smash into the wall, stay intact and then sink to a depth of 30 feet before exploding, using a hydrostatic fuse similar to the ones used in depth charges.