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 →

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 →

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 →
• Cataracts make things look foggy. tree →
• The doctor said Grandad has a cataract in his left eye. tree →
• The boat could not sail past the cataract on the Nile. tree →
• The cataract roared as the river fell over the rocks. tree →
• Dogs can get cataracts too. tree →
• After the cataract was removed, colours looked brighter. tree →
• The waves of all the world seemed to whirl past them in one huge, green cataract. tree →

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.

Trees and pragmatics

Every meaning and example of «cataract» parsed by Mova, each sentence with its dependency tree and frames.