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# dimetrodon

noun (dimetrodon, dimetrodons; also Dimetrodon)

«dimetrodon» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

A large animal with a tall sail on its back that lived about 295 to 272 million years ago, before the dinosaurs. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimetrodon/#m1)

### In the lessons

In science lessons, dimetrodon is often sold in dinosaur toy sets, but it was not a dinosaur; it was a synapsid, more closely related to mammals than to dinosaurs. Its sail may have helped it warm up or show off.

### Examples

- Dimetrodon had a big sail on its back. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimetrodon/#x1)
- Dimetrodon lived before the dinosaurs. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimetrodon/#x2)
- It was not a dinosaur, though it is often called one. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimetrodon/#x3)
- Dimetrodon was a meat eater. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimetrodon/#x4)
- The sail may have helped dimetrodon stay warm. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimetrodon/#x5)
- We saw a dimetrodon fossil in the museum. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimetrodon/#x6)

### Note

Myth trap: dimetrodon is not a dinosaur. Say «dy-MET-ro-don». Scientific name with a capital D.

## On Mova

- [Trees and pragmatics of «dimetrodon» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimetrodon/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«dimetrodon» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/dimetrodon.html) on Mova free.