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Definition of refractory:

  1. A refractory person.
  2. Obstinate in disobedience; contumacious; stubborn; unmanageable; as, a refractory child; a refractory beast.
  3. OPottery) A piece of ware covered with a vaporable flux and placed in a kiln, to communicate a glaze to the other articles.
  4. Refractoriness.
  5. Resisting ordinary treatment; difficult of fusion, reduction, or the like; - said especially of metals and the like, which do not readily yield to heat, or to the hammer; as, a refractory ore.


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