from asdics underwater echo ranging, probably from Anti-Submarine Division (British Admiralty department 1916–18) + -ics
1939, in the meaning defined above
as deaf as a post
asdic
as distinct from
“Asdic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/asdic. Accessed 30 Dec. 2024.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
See Definitions and Examples »
Get Word of the Day daily email!
Share