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
sonar (plural sonars)
(nautical) echolocation
(nautical) A device that uses hydrophones (in the same manner as radar) to locate objects underwater.
• SONAR (acronym of sound navigation and ranging)
• RasĹŹn, arson, orans, roans, saron, sorna
SONAR (plural SONARs)
Acronym of sound navigation and ranging.
• sonar
• ASDIC
• echolocation
• RasĹŹn, arson, orans, roans, saron, sorna
Source: Wiktionary
5 May 2025
(adjective) not developed, improved, exploited or used; “vast unexploited (or undeveloped) natural resources”; “taxes on undeveloped lots are low”
The word “coffee” entered the English language in 1582 via the Dutch “koffie,” borrowed from the Ottoman Turkish “kahve,” borrowed in turn from the Arabic “qahwah.” The Arabic word qahwah was traditionally held to refer to a type of wine.
