Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun dilatation

2 senses of dilatation

Sense 1
dilatation, distension, distention -- (the state of being stretched beyond normal dimensions)
       => physical condition, physiological state, physiological condition -- (the condition or state of the body or bodily functions)

Sense 2
dilation, dilatation -- (the act of expanding an aperture; "the dilation of the pupil of the eye")
       => expansion, enlargement -- (the act of increasing (something) in size or volume or quantity or scope)