1. 
   Radioinsensitive
   Radioinsensitive: Not sensitive to X-rays and other forms of radiant energy. For example, a tumor may be radioinsensitive, and therefore cannot be successfully attacked using radiation therapy. The opposite of radiosensitive.
   Found op http://www.medterms.com/script/main/art.html?articlekey=5186
   
   
2. 
   radioinsensitive
   Not sensitive to X-rays and other forms of radiant energy. For example, a tumour may unfortunately be radioinsensitive. The opposite of radiosensitive. ... (12 Dec 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?radioinsensitive
   
   

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