allosaurus
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Definition
Noun: 1. A large carnivorous dinosaur: Allosaurus is a genus of large, bipedal, carnivorous theropod dinosaur that lived during the Late Jurassic period (approximately 155 to 145 million years ago). It is characterized by a large skull with dozens of sharp teeth, short arms with three-fingered hands, and a long, heavy tail. It was a dominant predator of its time.
Usage Examples
- Noun:
- The museum's centerpiece is a complete skeleton of an allosaurus.
- Paleontologists discovered new fossils that reveal more about the hunting behavior of allosaurus.
- The allosaurus was smaller than a Tyrannosaurus rex but was a formidable predator in its own ecosystem.
Advanced Usage
- Scientific Classification: The term is often used in scientific contexts to refer to the genus , which contains several species, the most well-known being .
- The study focused on the bone structure of Allosaurus fragilis.
Variants and Related Words
- Allosaur (noun): A less common, shortened form of "allosaurus," often used informally.
- The children were excited to see the model of the fierce allosaur.
Synonyms
- Predatory dinosaur: A general term for meat-eating dinosaurs like .
- Theropod: The broader clade or group of bipedal, mostly carnivorous dinosaurs to which belongs.
Noun
- late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus