asdic

noun
as·​dic | \ ˈaz-(ˌ)dik How to pronounce asdic (audio) \

Definition of asdic

chiefly British

First Known Use of asdic

1939, in the meaning defined above

History and Etymology for asdic

from asdics underwater echo ranging, probably from Anti-Submarine Division (British Admiralty department 1916–18) + -ics

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to spread as a report or rumor

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