oscillatory

from WordNet (r) 3.0 (2006)

oscillatory
    adj 1: having periodic vibrations [syn: {oscillatory},
           {oscillating}]

from The Collaborative International Dictionary of English v.0.48

Oscillatory \Os"cil*la*to*ry\, a. [Cf. F. oscillatoire. See
   {Oscillate}.]
   Moving, or characterized by motion, backward and forward like
   a pendulum; swinging; oscillating; vibratory; as, oscillatory
   motion.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

46 Moby Thesaurus words for "oscillatory":
      alternate, beating, circling, cyclic, epochal, even, every other,
      fluctuant, fluctuating, fluctuational, harmonic, intermittent,
      isochronal, libratory, measured, metronomic, nutational,
      oscillating, pendular, pendulating, pendulous, periodic,
      periodical, pulsing, reciprocal, recurrent, recurring, resonant,
      rhythmic, rotary, seasonal, serial, shilly-shally,
      shilly-shallying, steady, undulant, undulatory, vacillating,
      vacillatory, vibratile, vibrating, vibratory, wavelike, wavering,
      wheeling, wobbly