dilatation

Definitions

The action of expanding or the condition of being expanded or stretched.

The process of enlarging or widening a hollow organ or vessel, such as the pupil of the eye or a blood vessel.

Examples

The doctor observed a significant dilatation of the pupils during the neurological examination.

The medical procedure was performed to address the abnormal dilatation of the blood vessels.

Synonyms

expansion enlargement distension stretching widening swelling dilation

Antonyms

contraction constriction narrowing shrinkage compression reduction tightening