vorticity

noun
vor·​tic·​i·​ty | \ vȯr-ˈti-sə-tē How to pronounce vorticity (audio) \

Definition of vorticity

1 : the state of a fluid in vortical motion broadly : vortical motion
2 : a measure of vortical motion especially : a vector measure of local rotation in a fluid flow

Examples of vorticity in a Sentence

Recent Examples on the Web

The color represents vorticity, a quantity related to angular momentum. Lee Phillips, Ars Technica, "Turbulence, the oldest unsolved problem in physics," 10 Oct. 2018 Much like a dust devil or whirlwind, the rapidly rising air above a wildfire can accelerate and turn the local vorticity into a tight vertical vortex, now composed of fire instead of dust. Jason Samenow, Washington Post, "Video: Hellish ‘firenado’ seen in devastating fire season in Portugal," 19 Oct. 2017 This measure, called the vorticity, provides a measure of how rapidly a fluid is rotating. John Timmer, Ars Technica, "Taking quark-gluon plasma for a spin may un-break a fundamental symmetry," 2 Aug. 2017 The influx of additional heat, moisture, and positive vorticity (atmospheric spin) may even help to intensify the primary circulation. Matthew Cappucci, Washington Post, "The science behind this strange dance between hurricanes Hilary and Irwin," 31 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vorticity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of vorticity

1888, in the meaning defined at sense 1

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The first known use of vorticity was in 1888

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