dilation

noun/daɪˈleɪʃən/

Frequency rank: #14,599 most common English word

Meaning

the process of becoming wider, larger, or more open.

Illustration for the English word “dilation”

Example sentence

The doctor used special drops to cause dilation of the pupils before the eye exam.

Synonyms & related words

Practice this word in the quiz

More words in ranks 14,501–14,600