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English definition of “antenna”

antenna

noun [C usually plural] (NOTICING)    /ænˈten.ə/ (plural antennae or antennas)
the natural ability to notice things and understand their importance: Her finely-tuned political antennae helped her to sense problems that less experienced politicians might not detect.PerceptiveUsing the eyesIntelligence
(Definition of antenna noun (NOTICING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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