decider

  1. Noun.  (context, of a controversy, question, etc) A person, divinity, or authoritative text which decides.
  2. Noun.  (chiefly, British) An event or action which decides the outcome of a contested matter.
  3. Noun.  (computing) A Turing machine that halts regardless of its input.

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This entry was last updated on RefTopia from its source on 3/20/2012.