asdic


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asdic

(ˈæzdɪk)
n
(Electronics) an early form of sonar
[C20: from A(nti-)S(ubmarine) D(etection) I(nvestigation) C(ommittee)]

so•nar

(ˈsoʊ nɑr)

n.
1. a method for detecting and locating objects submerged in water by echolocation.
2. the apparatus used in sonar.
[1940–45; so(und)na(vigation)r(anging)]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.asdic - 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 returnasdic - 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; "sonar is an acronym for sound navigation ranging"; "asdic is an acronym for antisubmarine detection investigation committee"
measuring device, measuring instrument, measuring system - instrument that shows the extent or amount or quantity or degree of something
navigational instrument - an instrument used for navigating
pinger - a pulse generator used for echo sounding in sonar
pulse generator - a generator of single or multiple voltage pulses; usually adjustable for pulse rate
pigboat, submarine, U-boat, sub - a submersible warship usually armed with torpedoes
Translations

asdic

nEcho(tiefen)lot nt
References in periodicals archive ?
The gallery has a life-sized reconstruction of an ASDIC hut on a British destroyer.
Nonetheless, later in World War II, this type of attack took British ASW defenses by surprise--they had relied too much on the supposed superiority of asdic. The escort forces were unable to cope with the German tactic, particularly as asdic had an effective range of no more than about 1,400 meters, which left it ineffective against U-boats operating on the surface.
The first call sought and received permission to free seaman Gowdyk from the flooding ASDIC compartment, but the second, which Informed the bridge that the tiller flat was flooding, was denied permission to evacuate.
The verbal texture is continually rich, with many colourful terms--espadrilles, lollop, caravelle, cummerbunds, asdic, invaginating, squarrous, isoglosses, homophones, strawstalks, reprographics, ruched, pica, kenosis--to offer only a tiny sample.
During the First World War, Merz was drafted in as Admiralty Inspector of Experiments and Research, working on the Asdic submarine detection system and plans for a 100-mile long beam of light to illuminate attacking Zeppelin airships - the forerunner of radar.
(21.) Electromagnetic spectrum (EMS) refers to the utilization of nascent radar and ASDIC technologies as well as the robust use of Allied countersignals intelligence against the Third Reich, of which ULTRA was an essential source.
By staying on the surface, the value of Asdic (active sonar) used to detect submerged submarines was negated.
and British experts in underwater detection systems cooperated in fitting the ships with American sonar and British Asdic systems.