trisectionectomyWiktionary 原文英美构词拆解tritri-前缀sectionsection词干ectomy-ectomy后缀tri-Three. · (chemistry) Used for the digit three to form systematic element names of elements whose existence has been predicted, and which have not yet been given a trivial name.-ectomy(surgery) The surgical removal of.词源说明From tri- + section + -ectomy.释义名词noun1(surgery) The resection of three segments (typically, of the liver)