attenuation

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. weakening in force or intensity
- attenuation in the volume of the sound
• Syn:
fading
• Derivationally related forms:
fade (for: fading), attenuate
• Hypernyms:
weakening
2. the property of something that has been weakened or reduced in thickness or density
• Derivationally related forms:
attenuate
• Hypernyms:
weakness