- n a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return
asdic is an acronym for antisubmarine detection investigation committee
- Acronyms first picked up speed in World War I with such coinages as Anzac, for Australia and New Zealand Army Corps, AWOL, for absent without official leave, and asdic (Allied .
- It was being converted into classrooms for 700 reservists and housed an estimated half a million dollars worth of hush-hush asdic, radio and radar equipment.
- There are the harsh sounds of war: shells bursting on deck armor, the asdic set clicking and pinging with echo bearings, the shattering explosions of ammunition ships, the .