archaeopteryx
noun/ˌɑːkiˈɒpterɪks/
/ˌɑːrkiˈɑːpterɪks/
- the oldest known bird, which existed about 150 million years agoWord Originfrom archaeo- ‘ancient’ + Greek pterux ‘wing’.
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archaeopteryx
Definition of archaeopteryx noun from the Oxford Advanced Learner's Dictionary
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