资料来源 : pyDict

闭塞,密闭

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Obturation \Ob`tu*ra"tion\, n. [L. obturare to stop up: cf.F.
   obturation.]
   The act of stopping up, or closing, an opening. ``Deaf by an
   outward obturation.'' --Bp. Hall.