der Dinosaurier
dinosaur
An extinct, often very large reptile that lived in the Mesozoic era.
Im Naturkundemuseum steht das Skelett eines riesigen Dinosauriers.
The skeleton of a huge dinosaur stands in the natural history museum.

dinosaur
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dinosaur
An extinct, often very large reptile that lived in the Mesozoic era.
Im Naturkundemuseum steht das Skelett eines riesigen Dinosauriers.
The skeleton of a huge dinosaur stands in the natural history museum.

In connection with the extinct animal, 'Dinosaurier' (dinosaur) is often combined with words like 'Skelett' (skeleton), 'Fossilien' (fossils), 'ausgestorben' (extinct), or 'Museum' (museum).
Forscher haben die Fossilien eines bisher unbekannten Dinosauriers entdeckt.
Researchers have discovered the fossils of a previously unknown dinosaur.
This figurative meaning is used for people, companies, or ideas that are considered outdated and not adaptable. The tone is usually critical or mocking.
Die Firma gilt als Dinosaurier der Branche, weil sie die Digitalisierung verschlafen hat.
The company is considered a dinosaur of the industry because it slept through digitalization.
The use of 'Dinosaurier' (dinosaur) for an outdated person or thing is colloquial. In a formal or neutral text, you would choose a different description.
Mein Opa ist beim Thema Smartphones ein echter Dinosaurier, er benutzt immer noch sein altes Tastenhandy.
My grandpa is a real dinosaur when it comes to smartphones; he still uses his old button phone.
dino
'Dinosaurier' and 'Dino' often mean the same prehistoric animal. 'Dino' is the short, colloquial form of 'Dinosaurier' and sounds more casual, especially in everyday language or with children. 'Dinosaurier' sounds more neutral and fits better in factual texts, school, or a museum. Both words can also be used negatively for something very old or outdated. In that case, 'Dino' sounds especially colloquial. They are easy to confuse because the meaning can be the same; the most important difference is style.

Im Museum steht das Skelett eines großen Dinosauriers.
The skeleton of a large dinosaur stands in the museum.
Dieses alte Handy ist wirklich ein Dino, aber es funktioniert noch.
This old mobile phone is really a dinosaur, but it still works.