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dilation

C2 Topic:Actions & Processes
US /ˌdaɪˈleɪʃən/ UK /daɪˈleɪʃən/
Freq #34419

Meanings

  1. 1
    noun

    the act of expanding an aperture

    The dilation of the pupil of the eye.

Thesaurus

Synonyms
1 noun · the act of expanding an... dilatation
More delayenlargement
Opposites
contraction
Word family
Forms dilatationdilations
Derived forms arteriodilationbronchodilationdilationalhyperdilationnipple-dilationoverdilationpostdilationredilationunderdilationvasodilationvenodilation

Etymology

From dilate + -ion, late 16th c.

*telh₂- (bear) Proto-Indo-European
View etymology graph ->

Topics

Actions & Processes Word Formation & Derivatives

External links

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