[Elamur Dictionary](https://md.dictionary.elamur.ai/free/en/) · [this page in HTML](https://dictionary.elamur.ai/free/en/english/mesozoic/)

[dictionaries](https://md.dictionary.elamur.ai/free/en/) / [English](https://md.dictionary.elamur.ai/free/en/english/) / [M](https://md.dictionary.elamur.ai/free/en/english/m/) / mesozoic

# mesozoic

adjective (Mesozoic); noun (the Mesozoic — the era)

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

## Everyday

1. The Mesozoic is a long stretch of Earth's history, from about 252 million to 66 million years ago, often called the Age of Dinosaurs. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/M/mesozoic/#m1)
2. Belonging to that time: Mesozoic rocks, Mesozoic reptiles. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/M/mesozoic/#m2)

### In the lessons

Used in science lessons about fossils, dinosaurs and the timeline of life on Earth. It is split into three periods: the Triassic, the Jurassic and the Cretaceous. It ended when an asteroid hit Earth and most dinosaurs died out. Phrases: the Mesozoic era, Mesozoic fossils.

### Examples

- Dinosaurs lived in the Mesozoic. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/M/mesozoic/#x1)
- The Mesozoic era had three periods. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/M/mesozoic/#x2)
- Our class made a timeline of the Mesozoic along the corridor wall. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/M/mesozoic/#x3)
- The first birds appeared in the Mesozoic. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/M/mesozoic/#x4)
- Mesozoic rocks on the Jurassic Coast are full of ammonites. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/M/mesozoic/#x5)
- Flowering plants spread near the end of the Mesozoic. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/M/mesozoic/#x6)
- Humans did not live in the Mesozoic at all. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/M/mesozoic/#x7)

### Note

Usually written with a capital M: the Mesozoic. Say «mez-oh-ZOH-ik». Myth trap: cartoons show cavemen with dinosaurs, but the Mesozoic ended about 66 million years before the first humans. In timeline sums: 252 − 66 = 186 million years long.

## On Mova

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