Radio
The transmission and reception of electric impulses or signals by means of electric waves without a connecting wire, or the use of these waves for the wireless transmission of electric impulses into which sound is converted. (From Webster's 3d)
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Subheadings:
Tree Number(s): J01.897.280.500.739, L01.462.500.590.700, L01.462.500.820.090.739, L01.462.500.847.514
MeSH Unique ID: D011845
Entry Terms: