Meaning of active sonar | Babel Free
Definitions
A type of sonar that uses sound waves generated by the sonar equipment, as contrasted with a passive type that uses only sound waves originating from elsewhere.
countable, uncountable
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.