noun
- A large carnivorous theropod dinosaur of the Cretaceous period, similar to but smaller than Tyrannosaurus rex.
Usage: paleontology; often capitalized; named after the province of Alberta, Canada, where fossils were first discovered
Examples
- Albertosaurus was one of the apex predators of the Late Cretaceous period.
- The fossil skeleton of an albertosaurus was discovered in Alberta, Canada.
- Albertosaurus resembled Tyrannosaurus rex but was somewhat smaller and more agile.
- Paleontologists believe albertosaurus hunted in packs based on fossil evidence.
- The museum's albertosaurus exhibit attracts thousands of visitors each year.