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Refractory

Definition: Obstinate in disobedience; contumacious; stubborn;
unmanageable; as, a refractory child; a refractory beast.

Refractory

Definition: 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.

Refractory

Definition: A refractory person.

Refractory

Definition: Refractoriness.

Refractory

Definition: OPottery) A piece of ware covered with a vaporable flux
and placed in a kiln, to communicate a glaze to the other articles.