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Meaning of passive radar | Babel Free

Noun CEFR B2

Definitions

A receive-only radar that uses ambient radio signals for search, tracking, surveillance, identification, guidance and mapping.

uncountable

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

passive resistance passive resister passive restraint passive smoke passive smoker passive smoking