Definition of seismosaurus in English:

seismosaurus

noun

  • A huge late Jurassic dinosaur known from only a few bones, probably the longest ever animal with a length of up to 35–45 m, and one of the heaviest at up to 100 metric tons.

Origin

Modern Latin, from seismo- ‘of an earthquake’ + Greek sauros lizard.

Pronunciation:

seismosaurus

/ˈsʌɪzmə(ʊ)sɔːrəs/