as in dispersion
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Recent Examples of dilation
Scientists discovered that the transformation is caused by subtle pressure changes inside the eye from long-term pupil dilation, which rearranges the spacing of collagen fibers.
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Kaif Shaikh,
Interesting Engineering,
17 Oct. 2025
Physical changes which happen during menopause that have to do with dilation or constriction of the blood vessels and impact body temperature are known as vasomotor symptoms.
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Helen Carefoot,
Flow Space,
17 Oct. 2025
The receptors control constriction and dilation in the smooth muscle fibers in the walls of these blood vessels.
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Kristen Rogers,
CNN Money,
12 Oct. 2025
SoberRide uses a combination of cameras, sensors, and machine-learning algorithms to detect signs of alcohol impairment in the driver—such as pupil dilation, bloodshot eyes, and the presence of ethanol used in alcoholic beverages—before allowing a vehicle to be put into drive.
—
IEEE Spectrum,
22 Apr. 2025
See All Example Sentences for dilation
Kaif Shaikh,
Interesting Engineering,
17 Oct. 2025
Physical changes which happen during menopause that have to do with dilation or constriction of the blood vessels and impact body temperature are known as vasomotor symptoms.
—
Helen Carefoot,
Flow Space,
17 Oct. 2025
The receptors control constriction and dilation in the smooth muscle fibers in the walls of these blood vessels.
—
Kristen Rogers,
CNN Money,
12 Oct. 2025
SoberRide uses a combination of cameras, sensors, and machine-learning algorithms to detect signs of alcohol impairment in the driver—such as pupil dilation, bloodshot eyes, and the presence of ethanol used in alcoholic beverages—before allowing a vehicle to be put into drive.
—
IEEE Spectrum,
22 Apr. 2025
See All Example Sentences for dilation
Recent Examples of Synonyms for dilation
Noun
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Their image quality is further enhanced by the inclusion of Canon’s proprietary UD (ultra-low dispersion) lens elements and Super Spectra coating.
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Since April 2026, world stock market return dispersion has hit levels not seen since the peak of the dotcom bubble.
Noun
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What links certain mathematical models of traffic flow, shallow-water waves, and quantum particle scattering?
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Distance, absorption, scattering, reflection, and insertion losses all reduce signal strength.
Cite this Entry
“Dilation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dilation. Accessed 4 Jul. 2026.
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