資料來源 : Webster's Revised Unabridged Dictionary (1913)

Refuter \Re*fut"er\ (-f?t"?r), n.
   One who, or that which, refutes.

資料來源 : WordNet®

refuter
     n : a debater who refutes or disproves by offering contrary
         evidence or argument [syn: {rebutter}, {disprover}, {confuter}]