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the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [noun] > transmission of signal (2)
transmission1907

Conveyance or passage through a medium, as of light, heat, sound, etc.; spec. in Radio and Television (see transmit, v. 3b); also, a series of…

radiation1908

The emission of energy of any kind in the form of rays or waves (esp. electromagnetic waves), or subatomic particles.

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