ornithological

US /ˌɔːr.nə.θəˈlɑː.dʒɪ.kəl/
UK /ˌɔːr.nə.θəˈlɑː.dʒɪ.kəl/
1.

yg berhubung dgn burung

relating to the study of birds:

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She works as a sketch artist for an ornithological magazine.
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ornithology