vibrancy

from WordNet (r) 3.0 (2006)

vibrancy
    n 1: having the character of a loud deep sound; the quality of
         being resonant [syn: {plangency}, {resonance},
         {reverberance}, {ringing}, {sonorousness}, {sonority},
         {vibrancy}]

from The Collaborative International Dictionary of English v.0.48

Vibrancy \Vi"bran*cy\, n.
   The state of being vibrant; resonance.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

26 Moby Thesaurus words for "vibrancy":
      bassness, deepness, fluctuation, frequency, frequency band,
      frequency spectrum, fullness, harmonic motion, hollowness,
      libration, lowness, mellowness, nutation, oscillation, pendulation,
      periodicity, plangency, resonance, resonance frequency, richness,
      sonority, sonorousness, vacillation, vibratility, vibration,
      wavering

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