adj 1  :  resistant to treatment or cure <a fulminating lesion>  <the disease has become more or less to roentgen therapy -Jour. Amer. Med. Assoc.>   2  :  unresponsive to stimulus <the period of a muscle fiber>   3  :  resistant or not responding to an infectious agent  :  IMMUNE <after recovery the animals were completely to reinfection>  .
 
 
 
Similar sounding terms:  re·frac·ture 
 
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