Definition of brontosaurus in English:


Line breaks: bronto|saurus
Pronunciation: /ˌbrɒntəˈsɔːrəs
(also brontosaur /ˈbrɒntəsɔː/)


  • former term for apatosaurus.
    More example sentences
    • It must have been a truly awesome sight to watch a herd of brontosaurs crossing a Mesozoic floodplain; evoking the same sense of awe, and puniness in one's own being in comparison, as one would feel when observing whales close up.
    • Many paleontologists argue that brontosaurs and other huge dinos really didn't lumber and weren't stupid.
    • He had a brain in him the size of a bloated brontosaurus, but unfortunately he had a temper to match.


modern Latin (former genus name), from Greek brontē 'thunder' + sauros 'lizard'.

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