sigmoidostomyWiktionary 原文英美构词拆解sigmoidsigmoid词干ostomy-ostomy后缀-ostomyAlternative form of -stomy.词源说明From sigmoid + -ostomy.释义名词noun1(surgery) An operation involving the formation of an artificial opening from the sigmoid colon through the abdominal wall.同族词相关词 1sigmoidectomy