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18.117.104.53

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2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Di·lat·er n. One who, or that which, dilates, expands, or enlarges.
 

From: WordNet (r) 2.0

 dilater
      n : a surgical instrument that is used to dilate or distend an
          opening or an organ [syn: dilator]