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# irreversible

adjective (irreversible)

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

## Everyday

Not able to be changed back to how it was before. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/irreversible/#m1)

### In the lessons

In science lessons on changes of materials: burning, cooking an egg and rusting are irreversible changes; melting ice is reversible. Also in health and environment (irreversible damage). Phrases: irreversible change, irreversible damage.

### Examples

- Baking a cake is an irreversible change. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/irreversible/#x1)
- Burning paper is irreversible. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/irreversible/#x2)
- Melting chocolate is reversible but burning it is irreversible. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/irreversible/#x3)
- Extinction is irreversible: the dodo is gone forever. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/irreversible/#x4)
- Some hearing damage is irreversible, so turn the music down. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/irreversible/#x5)
- The decision was irreversible. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/irreversible/#x6)

### Note

Opposite: reversible. Science: an irreversible change usually makes a new material; a reversible change (melting, freezing, dissolving) does not.

## On Mova

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