What does dilation mean?

Definitions for dilation
daɪˈleɪ ʃən, dɪ-di·la·tion

This dictionary definitions page includes all the possible meanings, example usage and translations of the word dilation.

Princeton's WordNet

  1. dilationnoun

    a lengthy discussion (spoken or written) on a particular topic

  2. dilation, dilatationnoun

    the act of expanding an aperture

    "the dilation of the pupil of the eye"


  1. dilationnoun

    The act of dilating.

  2. dilationnoun

    State of being dilated; expansion; dilatation.

  3. dilationnoun



  1. dilation

    Dilation is a transformation in geometry that alters the size of a shape, without changing its basic form or proportions. It involves scaling the dimensions of an object either to make it larger (expansion) or smaller (contraction) from a specific point known as the center of dilation, while maintaining the same orientation. The degree of dilation is determined by a scale factor, which can be greater or less than 1.

Webster Dictionary

  1. Dilationnoun


  2. Dilationnoun

    the act of dilating, or the state of being dilated; expansion; dilatation

  3. Etymology: [L. dilatio. See Dilatory.]


  1. Dilation

    In mathematics, a dilation is a function from a metric space into itself that satisfies the identity for all points, where is the distance from to and is some positive real number. In Euclidean space, such a dilation is a similarity of the space. Dilations change the size but not the shape of an object or figure. Every dilation of a Euclidean space that is not a congruence has a unique fixed point that is called the center of dilation. Some congruences have fixed points and others do not.


  1. Dilation

    an expansion or widening.

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How to pronounce dilation?

How to say dilation in sign language?


  1. Chaldean Numerology

    The numerical value of dilation in Chaldean Numerology is: 8

  2. Pythagorean Numerology

    The numerical value of dilation in Pythagorean Numerology is: 3

Examples of dilation in a Sentence

  1. Christina Francis:

    ’Partial birth abortion', while not a medical term, is a clearly understood phrase, used not only in the federal law banning this procedure but also in the Supreme Court case that upheld this law. The medical term for this procedure is intact dilation and extraction.

  2. Pidgeon Pagonis:

    I'd never had any dilation( which would have kept the passage open), so it was just a shock to my body. I left that moment being like' That really hurt !' but Cosmo( magazine) said it would get better. It didn't get better in terms of pleasure, but it got better in terms of not hurting as much every single time.

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Translations for dilation

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"dilation." Definitions.net. STANDS4 LLC, 2023. Web. 1 Dec. 2023. <https://www.definitions.net/definition/dilation>.

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    irregularly slashed and jagged as if torn
    • A. valetudinarian
    • B. lacerate
    • C. numinous
    • D. dicotyledonous

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