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# cataract

«cataract» in Mova's school dictionary: **a cloudy patch in the lens of the eye that makes things…** — its meaning for a pupil, its sense in the lessons and examples, with 1 sentence of Mova's corpora that use it.

### part of speech

noun (a cataract, cataracts)

### meaning for a pupil

1) A cataract is a cloudy patch in the lens of the eye that makes things look blurry; it is common in older people and can be fixed by an operation. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cataract/#m1)

2) A cataract is also a large, powerful waterfall or a stretch of rough, rushing water in a river, like the cataracts of the River Nile. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cataract/#m2)

### sense in the lessons

In science and health lessons, cataracts explain how the clear lens of the eye helps us see, and how doctors can replace a cloudy lens with a plastic one. In geography and history, the cataracts of the Nile were rocky rapids that boats in ancient Egypt could not easily pass. In family life, a grandparent may «have a cataract operation». Phrases: «cataract operation», «cataract surgery», «the Nile cataracts».

### examples

- Grandma had a cataract operation and can see clearly again. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cataract/#x1)
- Cataracts make things look foggy. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cataract/#x2)
- The doctor said Grandad has a cataract in his left eye. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cataract/#x3)
- The boat could not sail past the cataract on the Nile. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cataract/#x4)
- The cataract roared as the river fell over the rocks. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cataract/#x5)
- Dogs can get cataracts too. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cataract/#x6)
- After the cataract was removed, colours looked brighter. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cataract/#x7)
- The waves of all the world seemed to whirl past them in one huge, green cataract. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cataract/#x8)

### note

Countable noun: a cataract, cataracts. It is not a skin on the eye; it is clouding inside the lens. Pronounced «KAT-a-rakt».

### In the corpora

- [Deep calleth unto deep at the voice of Thy cataracts; all Thy waves and Thy billows are gone over me.](https://md.mova.elamur.ai/free/en/corpora/ketuvim/jps/PSA.697/)

### Trees and pragmatics

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