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English definition of “ornithology”

ornithology

noun [U] uk   /ˌɔː.nɪˈθɒl.ə.dʒi/ us    /ˌɔːr.nəˈθɑː.lə-/ specialized
the study of birds
ornithological
adjective [before noun] uk   /ˌɔː.nɪ.θəˈlɒdʒ.ɪ.kəl/ us    /ˌɔːr.nə.θəˈlɑː.dʒɪ-/
(Definition of ornithology from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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