noun
Meaning 1
Sonar.
Definition source: English Wiktionary via Wiktextract
Usage: historical, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Standard Lemma guide
ASDIC
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
-
/ˈæzdɪk/
noun
Meaning 2
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
Definition source: Princeton WordNet 3.0
Examples
- sonar is an acronym for sound navigation ranging
- asdic is an acronym for antisubmarine detection investigation committee
Meaning relationships
Synonyms: sonar, echo sounder
Antonyms: none provided
Broader terms: measuring instrument, measuring system, measuring device, navigational instrument
History
Etymology
Former codename during development, from ASD (Anti-Submarine Division). Sometimes erroneously explained as "Allied Submarine Detection Investigation Committee".