Meaning & use
dilatation
Last updated
the act or process of widening or expanding an opening, vessel, or organ, especially in medicine.
See it in a sentence
The procedure involved dilatation of the cervix prior to the exam.
An abnormal dilatation of the aorta can signal a serious cardiovascular problem.
A note on using this word
Largely interchangeable with 'dilation,' though 'dilatation' appears more often in formal medical writing.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
constriction
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