den·ti·tion /dɛnˈtɪʃən/
  生齒,齒系,齒列
  den·ti·tion /dɛnˈtɪʃən/ 名詞
  Den·ti·tion n.
  1. The development and cutting of teeth; teething.
  2. Zool. The system of teeth peculiar to an animal.
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  dentition
       n 1: the eruption through the gums of baby teeth [syn: teething,
             odontiasis]
       2: the kind and number and arrangement of teeth (collectively)
          in a person or animal [syn: teeth]