ge·om·e·ter /ʤiˈɑmətɚ/
  幾何學者,尺蠖
  Ge·om·e·ter n.
  1. One skilled in geometry; a geometrician; a mathematician.
  2. Zool. Any species of geometrid moth; a geometrid.
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  geometer
       n : a mathematician specializing in geometry [syn: geometrician]