Argentinosaurus

noun Ar·gen·ti·no·sau·rus \ ˌär-jən-¦tē-nə-¦sȯr-əs \

Definition of Argentinosaurus

1 : a genus of very large sauropod dinosaurs containing a single known species (Argentinosaurus huinculensis) that lived during the Cretaceous period and had a massive body with a very long neck
  • These seven vertebrae belonged to Argentinosaurus, a long-necked vegetarian dinosaur, or sauropod, that may have outweighed other giants by 40 metric tons.
  • —Tim AppenzellerScience16 Dec. 1994
2 plural argentinosauruses or argentinosaurs argentinosaurus or argentinosaur play \ˌär-jən-ˈtē-nə-ˌsȯr\ : a dinosaur of the genus Argentinosaurus
  • This was the year news broke of ongoing excavation of the biggest dinosaur found to date: argentinosaurus, an apatosaurus-looking creature weighing 100 tons.
  • —Bill DietrichSeattle Times26 Dec. 1995
  • This family included argentinosaur, thought to be the largest animal ever to walk the Earth …
  • Advocate (Baton Rouge, Louisiana)28 Sept. 2001
Note: The only fossil specimen for this genus was found in Argentine Patagonia and is one of the largest dinosaurs ever discovered.

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Origin and Etymology of argentinosaurus

borrowed from New Latin, from Argentina, country in South America + -o--o- + -saurus-saurus


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