SAT vocabulary

Dilate

To make or become wider, larger, or more open.

Example

"The ophthalmologist used drops to dilate her pupils, allowing for a better view of her retina."

From Latin 'dilatare' meaning 'spread out', from 'dis-' 'apart' + 'latus' 'wide'.

Play today's word

Free daily SAT vocabulary game. One word, four definitions, be sharp.