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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 to·roid /ˈtorˌɔɪd, ˈtɔr-/
 環

From: WordNet (r) 2.0

 toroid
      n 1: the doughnut-shaped object enclosed by a torus
      2: a ring-shaped surface generated by rotating a circle around
         an axis that does not intersect the circle [syn: torus]