An Etymological Dictionary of Astronomy and Astrophysics
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Transmission accompanied by diffusion or scatter to the extent that there is no regular or direct transmission.

→ diffuse; → transmission.

1) The act or process of transmitting. The fact of being transmitted.
2) The broadcasting of electromagnetic waves from one location to another, as from a transmitter to a receiver.

Verbal noun of → transmit.

The frequency range above the cutoff frequency in a waveguide or transmission line.

→ transmission; → band.

The ratio given by the → amplitude (or energy) of a transmitted wave divided by the amplitude (or energy) of the incident wave.

→ transmission; → coefficient.

A diffraction grating that has grooves ruled onto a transparent material so that a beam of light passed through the grating is partly split into spectral orders.

→ transmission; → grating.

A decrease in power in transmission from one point to another.

→ transmission; → loss.

An assembly of elements which are capable of functioning together to transmit power or signals.

→ transmission; → system.