noun Download 🔗Share In scientific usage, any of the animals belonging to the clade Dinosauria, especially those that existed during the Triassic, Jurassic and Cretaceous periods and are now extinct. Examples : "Many children are fascinated by dinosaurs, especially the huge ones that lived millions of years ago. " animal science biology geology history Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share In non-scientific usage, any non-avian dinosaur. Examples : "My son loves dinosaurs, especially the ferocious ones. " animal biology nature science geology past Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share Any extinct reptile, not necessarily belonging to Dinosauria, that existed between about 230 million and 65 million years ago. Examples : "Many children are fascinated by dinosaurs and enjoy learning about the different kinds that lived long ago. " animal biology geology history nature science past organism Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A person or organisation that is very old, has very old-fashioned views, or is not willing to change and adapt. Examples : "The school's administration is a bit of a dinosaur when it comes to technology; they refuse to adopt online learning platforms. " attitude organization person business industry society age Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share Anything no longer in common use or practice. Examples : ""Using floppy disks to save computer files feels like working with dinosaurs; nobody does that anymore." " history past Chat with AIVocabulary GamePractice Reading