dinosaurs
n. countable A2 Elementary US //ˈdaɪnəˌsɔɹz// UK //dˈaɪnəsˌɔːz// di·nosaurs
n. large animals that lived on Earth millions of years ago. Most of them died out long before humans existed.
n. extinct reptiles of the clade Dinosauria that were the dominant terrestrial vertebrates from the Late Triassic to the end of the Cretaceous period.
Many children love learning about different dinosaurs.
Scientists study fossils to understand how dinosaurs lived and what they ate millions of years ago.
The discovery of feathered fossils has fundamentally altered our understanding of dinosaurs, suggesting that many species were more closely related to modern birds than previously thought.
Usage
Plural form of 'dinosaur'; used as a collective term for the entire group of extinct reptiles.