pho·no·gram /ˈfonəˌgræm/
  表音符號,唱片,諧音字
  Pho·no·gram n.
  1. A letter, character, or mark used to represent a particular sound.
     Phonograms are of three kinds: (1) Verbal signs, which stand for entire words; (2) Syllabic signs, which stand for the articulations of which words are composed; (3) Alphabetic signs, or letters, which represent the elementary sounds into which the syllable can be resolved.   --I. Taylor (The Alphabet).
  2. A record of sounds made by a phonograph.
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  phonogram
       n : any written symbol standing for a sound or syllable or
           morpheme or word