Definition of Wallacea in English:

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Wallacea

Pronunciation: /wɒˈleɪsɪə/
Zoology
A zoogeographical area constituting a transition zone between the Oriental and Australian regions, east of Wallace’s line. It is generally held to comprise Sulawesi and other islands between the two continental shelves.

Origin

1920s: from the name of A. R. Wallace (see Wallace, Alfred Russel).

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