pur·ga·to·ri·al /ˌpɝgəˈtoriəl, ˈtɔr-/
  (a.)煉獄的,滌罪的
  Pur·ga·to·ri·al Pur·ga·to·ri·an a. Of or pertaining to purgatory; expiatory.
  purgatorial
       adj 1: serving to purge or rid of sin; "purgatorial rites" [syn: purging,
               purifying]
       2: of or resembling purgatory; "purgatorial fires"