dilation
noun/daɪˈleɪʃən/
Frequency rank: #14,599 most common English word
Meaning
the process of becoming wider, larger, or more open.

Example sentence
The doctor used special drops to cause dilation of the pupils before the eye exam.
Synonyms & related words
- expansion
- widening
- enlargement
- opening
Practice this word in the quiz
More words in ranks 14,501–14,600
- colitisinflammation of the colon (large intestine), causing pain, diarrhea, and discomfort.
- combativeready or eager to fight or argue; aggressively confrontational.
- conceitedHaving an excessively high opinion of oneself; vain and arrogant.
- consecrationthe act of making something sacred or officially dedicating it to a holy purpose
- conspicuouslyIn a way that is clearly visible or attracts attention; noticeably.
- counterattackan attack made in response to an attack by an opponent.
- cutenessthe quality of being attractive or charming in an endearing way
- darkento become or make darker in color or tone
- defuseto reduce or remove tension, danger, or conflict from a situation.
- dishonorloss of respect or reputation; shame or disgrace.