অতিশব্দ (Assamese) [ Roman: o.ti.xob.do]
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Contributed by: Mrinal Nath on 2008-03-06
1. (Abstract Noun) a sound having frequency above 20000 hertz which is not audible to human ear মানুহে নুশুনা বিশহাজাৰ হাৰ্ডজতকৈ অধিক কম্পনাংকৰ শব্দ