brontosaurus
bron·to·sau·rus
noun
Origin
From New Latin, from Ancient Greek roots; by surface analysis, bronto- + -saurus (“thunder lizard”), according to the notion that its massive size must have made its footsteps shake the ground.
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Parts
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.