Australasia
noun/ˌɒstrəˈleɪʒə/, /ˌɒstrəˈleɪʃə/
/ˌɔːstrəˈleɪʒə/
- the region including Australia, New Zealand and the islands of the south-west PacificTopics Geographyc2
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Australasia
Definition of Australasia noun from the Oxford Advanced Learner's Dictionary