Definition of “dinosaur” - English Dictionary

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“dinosaur” in English

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dinosaurnoun [ C ]

uk ​ /ˈdaɪ.nə.sɔːr/ us ​ /ˈdaɪ.nə.sɔːr/

A2 a type of reptile that became extinct about 65,000,000 years ago. There were many different types of dinosaur, some of which were extremely large.

› disapproving an old-fashioned person or thing that people no longer consider to be useful:

This computer's a dinosaur, isn't it?

Thesaurus: synonyms and related words

(Definition of “dinosaur” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“dinosaur” in American English

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dinosaurnoun [ C ]

us ​ /ˈdɑɪ·nəˌsɔr/

› a reptile (= cold-blooded animal), some types of which were extremely large, that stopped existing a very long time ago

› A dinosaur is also something that is old and that has not been able to change when conditions have changed and is therefore no longer useful:

The old car was a gas-guzzling dinosaur and we had to get rid of it.

(Definition of “dinosaur” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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