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radioresistant

British  
/ ˌreɪdɪəʊrɪˈsɪstənt /

adjective

  1. med resistant to the effects of radiation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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"The results suggest that radioresistant Deinococcus could survive during the travel from Earth to Mars and vice versa, which is several months or years in the shortest orbit," Yamagishi added.

From Fox News

Part of the plan is to make some human cells radioresistant.

From The Guardian