'attenuated' definitions:

Definition of 'attenuated'

From: WordNet
adjective
Of an electrical signal; reduced in amplitude with little or no distortion
adjective
Reduced in strength; "the faded tones of an old recording" [syn: attenuate, attenuated, faded, weakened]

Definition of 'attenuated'

From: GCIDE
  • decreased \decreased\ adj. made less in size or amount or degree. Opposite of increased. [Narrower terms: {attenuate, attenuated, faded, weakened}; belittled, diminished, small; cut, cut-rate; diminished, lessened; minimized; remittent; attenuated]
  • Syn: reduced. [WordNet 1.5]