blood doping - definition and synonyms

noun [uncountable] 

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/ˈblʌd ˌdəʊpɪŋ/
  1. the practice of increasing the number of red blood cells in an athlete’s bloodstream in order to improve their performance by allowing the body to transport more oxygen to the musclesThis meaning is based on one submitted to the Open Dictionary from United Kingdom on 09/08/2015