English dictionary, thesaurus, translations & etymology
FreeDict.com
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 notes

In plain EnglishThe process of widening or expanding, especially used medically.

Word Forms

dilations plural

Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “dilation” A quick quiz — meaning, synonyms & usage

Fill the Gap

Can you complete this real example?

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.

Rhymes for dilation

See all rhymes for dilation →
Definitions: FreeDict original editorial