人种学 rénzhǒngxué ethnology Origin Definitions Defs Strokes Stroke Words Sentences Sents 人种 人種 rénzhǒng race the biological race of humans, based on shared ancestry and physical traits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