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| bron·to·sau·rus [ bròntə sáwrəss ] (plural bron·to·sau·rus·es) or bron·to·saur [ bróntə sàwr ] (plural bron·to·saurs) |
noun |
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paleontology
(
dated
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Same as apatosaurus
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| [Late 19th century. < modern Latin Brontosaurus< Greek brontē "thunder" + sauros "lizard"] |
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