Definition

A large meat-eating dinosaur that lived during the Jurassic period, known for its size and sharp teeth.

Example

The Allosaurus was one of the top predators of its time, hunting large herbivorous dinosaurs.

Conversation

Did you know the allosaurus was one of the largest carnivorous dinosaurs?

Really? I didn't know that! What period did it live in?

It lived during the Jurassic period, around 155 to 150 million years ago.

That's fascinating! I love learning about dinosaurs.

Synonyms & Antonyms

Root Explanation

Allosaurus is formed from "allo-" (meaning different or other) and "sauros" (meaning lizard or reptile in Greek). The word refers to a dinosaur that is distinct or different from other reptiles, particularly in its classification as a theropod dinosaur.

Memory Tip

Think of 'allo-' meaning different, and 'sauros' meaning lizard — this helps you remember that an allosaurus is a different kind of lizard or dinosaur.

Visually Confused Words