肿瘤学 zhǒngliúxué oncology Definitions Defs Origin Strokes Stroke Words Sentences Sents 肿瘤 腫瘤 zhǒngliú noun tumor tumor; an abnormal growth of tissue that can be benign or malignant学 學 xué nounaffix branch of learning (bound form) a subject or branch of study; often used as a suffix for -logy, -ics, or -science