अल्ट्रासाउड (Bodo) [ Roman: ul.tra.sound]
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Contributed by: Karishma Boro on 2023-09-12
1. (Abstract Noun) a sound having frequency above 20000 hertz which is not audible to human ear মানুহে নুশুনা বিশহাজাৰ হাৰ্ডজতকৈ অধিক কম্পনাংকৰ শব্দ