attenuation
/ətɛnjʊˈeɪʃ(ə)n
/noun [mass noun]
1The reduction of the force, effect, or value of something: human security required the attenuation of a wide range of threats to people...
- Fathers often have expressed fear of the potential attenuation of their relationships with their children.
- This complete attenuation of human impulse speaks volumes.
- Relationship skills acquired through relationship education are maintained over a period of some years, though attenuation of training effects may occur over a 5 to 10 year period.
1.1The reduction of the amplitude of a signal, electric current, or other oscillation: the products are used mostly by aircraft manufacturers for noise attenuation in engine housings [as count noun]: attenuations of the order of 50 to 200 dB are required...
- The attenuation also varies with the actual wavelength selected.
- The muffs have excellent noise attenuation in that they will bring the decibels down to a tolerable level.
- The degree of attenuation is going to depend on a number of things including antenna size.