refractory

  1. Adjective.  Obstinate and unruly; strongly opposed to something.
  2. Adjective.  Not affected by great heat.
  3. Adjective.  (medicine) Difficult to treat.
  4. Adjective.  (biology) Incapable of registering a reaction or stimulus.
  5. Noun.  A material or piece of material, such as a brick, that has a very high melting point.

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