noun
dilation
deye-LAY-shuhn
noun
1
The act or process of becoming wider or larger.
"The nurse checked the dilation of the cervix every hour."
"Dilation of the pupils can be a sign of certain drugs."
How to Use Dilation
Learner’s notesIn plain EnglishThe process of widening or expanding, especially used medically.
Word Forms
dilations plural
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The nurse checked the _____ of the cervix every hour.
Etymology
From dilate plus the suffix -ion, first used in this form in the late 1500s.