Indo-Australian Plate
[in-doh-aw-streyl-yuh n]
noun Geology.
a major tectonic division of the earth's crust, comprising India and the Australian continent and adjacent suboceanic basins (the Tasman, South Australian, Mid-Indian, Cocos, and Australian basins); separated from the Eurasian Plate by the Java Trench, from the Pacific Plate by the Tonga-Kermadec Trench, and from the African Plate by a series of mid-ocean ridges (the Carlsberg, Mid-Indian, and Southeast Indian ridges).
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019