DILATION Synonyms: 28 Similar and Opposite Words

dilation

noun

Definition of dilation

as in dispersion

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Recent Examples of dilation There's a little 'Interstellar' in there with time dilation and Matthew McConaughey, of course. — Jeff Spry, Space.com, 12 Dec. 2025 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. — 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 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

The initiative will bring together computational fluid dynamics (CFD) simulations with digital twins to rapidly model ammonia dispersion following a leak.

— Georgina Jedikovska, Interesting Engineering, 2 Oct. 2026
In turn, yields in the credit market are also climbing, and dispersion is broadening.

— Michelle Fox, CNBC, 28 Sep. 2026

Definition of dispersion

Noun

This scattering also polarizes the light; the amount of polarization seen depends on the incoming light’s angle with respect to the observer.

— Phil Plait, Scientific American, 2 Oct. 2026
This scattering of light and even electromagnetic radiation by particles that are smaller than the wavelength of the radiation opens up the possibility of signals reaching the receiver, even when the transmitter is not in line-of-sight.

— Ameya Paleja, Interesting Engineering, 1 Oct. 2026

Definition of scattering

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“Dilation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dilation. Accessed 9 Oct. 2026.

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