eth ‧ nol ‧ o ‧ gy /eθˈnɒlədʒi $ eθˈnɑː-/ BrE AmE noun [uncountable]
the scientific study and comparison of different races of people ⇨ anthropology , sociology
—ethnologist noun [countable]
—ethnological /ˌeθnəˈlɒdʒɪk ə l◂ $ -ˈlɑː-/ adjective
—ethnologically /-kli/ adverb