名詞 ethnology:

1. the branch of anthropology that deals with the division of humankind into races and with their origins and distribution and distinctive characteristics

eth.nol.o.gy

n.Abbr. ethnol.（名詞）縮寫 ethnol.
The science that analyzes and compares human cultures, as in social structure, language, religion, and technology; cultural anthropology.
文化人類學或社會人類學：是分析和比較人類文化，如社會結構、語言、宗教和科學技術的科學；文化人類學
The branch of anthropology that deals with the origin, distribution, and characteristics of the races of humankind.
人種學：是人類學中研究各人種的起源、分布和各自特征的分支科學

【引伸】
eth.nolog.ic
eth.nolog.ically
adv.（副詞）
ethnol.ogist
n.（名詞）