precancerosis

noun
pre·​can·​cer·​o·​sis | \ -ˌkan(t)s-ə-ˈrō-səs How to pronounce precancerosis (audio) \
plural precanceroses\ -​ˌsēz How to pronounce precanceroses (audio) \

Medical Definition of precancerosis

: a condition marked by the presence of one or more precancerous lesions