From Longman Dictionary of Contemporary Englishappendectomyap‧pen‧dec‧to‧my /ˌæpənˈdektəmi/ noun (plural appendectomies) [countable, uncountable] MHa medical operation in which your appendix is removed
Examples from the Corpus
appendectomy• It was he who had inflicted an appendectomy of doubtful necessity on Harry forty-two years ago.• Or what if he gets a toothache or needs an appendectomy or is bringing some incurable tropical disease over here with him?• It gave him a tonsillectomy, an appendectomy and a vasectomy. 