cataract

nounfeminine/kɐtɐˈɾatɐ/medium

ca·ta·ra·ta

Definitions

1Opacity of the eye's lens causing progressive vision loss.

My grandmother is having cataract surgery next week.

Cataracts are a leading cause of blindness worldwide.

2Large, powerful waterfall.

The cataracts of the Nile were famous in antiquity.

We heard the roar of the cataract long before we saw it.

syn

Do latim 'cataracta' (queda de água, portão levadiço), do grego 'kataráktēs'.