| 单词 | gondwanaland |
| 释义 | GondwanalandGondwana/ (ɡɒndˈwɑːnəˌlænd) / nounone of the two ancient supercontinents produced by the first split of the even larger supercontinent Pangaea about 200 million years ago, comprising chiefly what are now Africa, South America, Australia, Antarctica, and the Indian subcontinent Word Origin for GondwanalandC19: from Gondwana region in central north India, where the rock series was originally found Words nearby Gondwanalandgondola back, gondoletta, gondolier, Gondomar, Gondwana, Gondwanaland, gone, gone away, gonecyst, gonecystolith, gone goose Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for GondwanalandGondwanaland [ gŏnd-wä′nə-lănd′ ] A supercontinent of the Southern Hemisphere made up of the landmasses that currently correspond to India, Australia, Antarctica, and South America. According to the theory of plate tectonics, Gondwanaland separated from Pangaea at the end of the Paleozoic Era and broke up into the current continents in the middle of the Mesozoic Era. Compare Laurasia. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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