Definitions of dilation:
  • noun:   the act of expanding an aperture
    Example: "The dilation of the pupil of the eye"
  • noun:   a lengthy discussion (spoken or written) on a particular topic

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Search for dilation at other dictionaries: OneLook, Oxford, American Heritage, Merriam-Webster, Wikipedia

See dilation used in context: 6 poetry verses, 27 definitions

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