zo ‧ ol ‧ o ‧ gy /zuːˈɒlədʒi, zəʊˈɒ- $ zoʊˈɑːl-/ BrE AmE noun [uncountable]
[ Date: 1600-1700 ; Language: Modern Latin ; Origin: zoologia , from Greek zoion 'life form, animal' ]
the scientific study of animals and their behaviour
—zoological /ˌzuːəˈlɒdʒɪk ə l◂, ˌzəʊ- $ ˌzoʊəˈlɑː-/ adjective
—zoologically /-kli/ adverb