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Definition of: ornithology
(ôr′nə·thol′ə·jē) noun
The branch of zoology that treats of birds. [<ORNITHO- + -LOGY]
—or′ni·tho·log′ic (-thə·loj′ik) or ·i·cal adjective
—or′ni·tho·log′i·cal·ly adverb
—or′ni·thol′o·gist noun
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