In physics, attenuation (in some contexts also called extinction) is the gradual loss in intensity of any kind of flux through a medium. 

For instance, sunlight is attenuated by dark glasses, X-rays are attenuated by lead, and light and sound are attenuated by water.

In electrical engineering and telecommunications, attenuation affects the propagation of waves and signals in electrical circuits, in optical fibers, and in air (radio waves).

Sentence Examples for Attenuated

1. The attenuated tunes of the old recording still keep playing in my head.

2. As we moved out of the building, the wi-fi signals attenuated.

3. When I saw the hotel’s kitchen, my desire to eat there attenuated.