over·tone /-ˌton/
  泛音,暗示,折光的色彩
  over·tone /ˈovɝˌton/ 名詞
  泛音,諧波
  O·ver·tone n.  Mus. One of the harmonics faintly heard with and at a higher frequency than a fundamental tone as it dies away, produced by some aliquot portion of the vibrating sting or column of air which yields the fundamental tone; one of the natural harmonic scale of tones, as the octave, twelfth, fifteenth, etc.; an aliquot or “partial” tone; a harmonic. See Harmonic, and Tone.
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  overtone
       n 1: (usually plural) an ulterior implicit meaning or quality;
            "overtones of despair"
       2: a harmonic with a frequency that is a multiple of the
          fundamental frequency [syn: partial, partial tone]