trip·loid /ˈtrɪˌplɔɪd/
  (a.)三倍性的,三倍體的
  trip·loid /ˈtrɪpˌlɔɪd/ 形容詞
  三倍的,三倍體
  triploid
       adj : of a cell or organism having three complete sets of
             chromosomes; "human triploid fetuses are usually
             spontaneously aborted"