Argentinosaurus
noun
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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 Appenzeller, Science, 16 Dec. 1994
2
plural argentinosauruses
or argentinosaurs
argentinosaurus
or
argentinosaur
\ˌär-jən-ˈtē-nə-ˌsȯr
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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: 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 Dietrich, Seattle Times, 26 Dec. 1995 This family included argentinosaur, thought to be the largest animal ever to walk the Earth … —Advocate (Baton Rouge, Louisiana), 28 Sept. 2001
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