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# deterioration

«deterioration» in Mova's school dictionary: **The process of becoming worse in quality, condition or…** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (deterioration — mostly uncountable)

### meaning for a pupil

1) The process of becoming worse in quality, condition or health. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/deterioration/#m1)

2) (science) The slow breaking down of materials, such as wood rotting or metal rusting. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/deterioration/#m2)

### sense in the lessons

In science: deterioration of materials over time — rust, rot, fading. In health and family life: a doctor may notice a deterioration in a patient's condition. In geography and history: deterioration of buildings, roads, or relations between countries. Phrases: «deterioration in», «deterioration of», «rapid deterioration», «a sudden deterioration».

### examples

- There has been a deterioration in the weather, so the match is cancelled. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/deterioration/#x1)
- The nurse watched for any deterioration in Grandma's health. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/deterioration/#x2)
- The deterioration of the old bridge made it unsafe. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/deterioration/#x3)
- Rust causes the deterioration of iron gates. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/deterioration/#x4)
- Teachers noticed a deterioration in his handwriting. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/deterioration/#x5)
- Damp led to the deterioration of the books in the shed. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/deterioration/#x6)

### note

Verb: «deteriorate» (to get worse). Spelling: de-te-ri-o-ra-tion; many people wrongly say «deteoration» — keep the «-ior-». Opposite: «improvement».

### Trees and pragmatics

[Every meaning and example of «deterioration» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/deterioration/), each sentence with its dependency tree and frames.