ASDIC
sonar, echo sounder, asdic
(noun) 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”
Source: WordNet® 3.1
Etymology
Former codename during development, from ASD (Anti-Submarine Division). Sometimes erroneously explained as "Allied Submarine Detection Investigation Committee".
Noun
ASDIC (uncountable)
(historical) sonar
Anagrams
• acids, ascid, cadis, caids, sadic
Source: Wiktionary
Recent Word Finds
Word of the Day
6 May 2025
HEEDLESS
(adjective) marked by or paying little heed or attention; “We have always known that heedless self-interest was bad morals; we know now that it is bad economics”--Franklin D. Roosevelt; “heedless of danger”; “heedless of the child’s crying”
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